Red-eye, Rotgut and Other Historical Liquor Slang: Origins and Myths
Historical liquor slang does not stay neatly attached to one drink or one country: rotgut could mean weak beer, lightning could mean gin, and moonshine referred to English coastal smuggling before its recorded American use.[2][5] The useful distinction is between a word’s documented appearances and the stories later offered to explain it.
Rotgut did not always mean whiskey
Grose’s 1811 Dictionary of the Vulgar Tongue gives an unexpectedly modest definition: “ROT GUT. Small beer.” Here, small beer means weak beer, not spirits; Grose adds another name for it, “beer-a-bumble”.[2] Anyone reading rotgut as an automatic reference to whiskey would misunderstand that entry.
Etymonline dates rotgut, also written rot-gut, to the 1630s and identifies its components as rot and gut. Its entry records the broader association with unwholesome liquor and adulterated whiskey.[1] The unpleasant judgement is part of the word, but the drink being judged needs to be established from context.
There is a useful limit to the familiar claim that “the first rotgut was beer”. Grose establishes that the word meant small beer in his 1811 dictionary; that entry alone does not identify the drink in the earlier usage dated by Etymonline.[1][2]
Red-eye: a whiskey sense recorded in 1819
Merriam-Webster gives 1819 as the first known use of red-eye in its whiskey sense.[3] That date belongs to the liquor meaning, not to the photographic effect or the overnight flight. Reading the date beside the correct definition matters when a dictionary entry brings several meanings together.
The entry establishes an early recorded use, rather than naming the person who coined it.[3] It also does not, in the evidence supplied here, explain why whiskey acquired the name. An attractive explanation based on appearance or drinking effects would therefore go beyond the record.
For the everyday vocabulary of measures rather than historical nicknames, whisky slang explained is a companion. Here, the point is the history of the expression, not how much a speaker intended to pour.
Lightning and other names for gin
“LIGHTNING. Gin,” says Grose, before explaining that “a flash of lightning” meant a glass of gin.[2] This corrects the assumption that every fierce sounding liquor nickname belongs to American frontier whiskey.
His other gin entries include blue ruin, max, heart’s ease, jackey and frog’s wine. He defines rag water as gin or any common dram, explaining the name through the claim that such drinks reduced their drinkers to rags.[2] That explanation belongs to the historical dictionary: it is evidence of how the expression was presented, not a neutral description of everyone who drank gin.
Grose’s whisky entry is equally revealing about the need to read the whole definition. It describes a malt spirit drunk in Ireland and Scotland, but also gives a second meaning: a one-horse chaise.[2] Even a familiar word can lead a modern reader towards the wrong subject.
Moonshine and English coastal smuggling
The illicit liquor sense of moonshine is attested from 1785, initially in connection with smuggling in Kent and Sussex. Etymonline records Southern United States use by 1829.[5] That sequence does not support treating the expression as an Appalachian coinage.
Grose supplies the drinks and places behind the earlier usage. His 1811 dictionary defines moonshine as white brandy smuggled on the coasts of Kent and Sussex, and as gin in the north of Yorkshire.[2] Neither definition makes it an exclusively American whiskey word.
The related forms have their own recorded dates. Etymonline dates moonshiner, meaning a smuggler or someone pursuing a dangerous trade at night, to 1860, and the verb to 1883.[5] Those dates should not be substituted for the earlier history of the liquor noun.
Claim: The illicit liquor sense of moonshine is recorded in connection with English coastal smuggling before its recorded Southern United States use.
Verdict: Documented
What the record shows: Etymonline dates the illicit sense to 1785 and Southern United States use by 1829; Grose records smuggled brandy on the Kent and Sussex coasts.[2][5]
Evidence against or gap: These records do not establish the precise place of coinage.
Earliest known source: The underlying 1785 citation is not identified in the supplied sheet.
Sources: Etymonline, moonshine; Grose, 1811.
Last checked: November 2026; the day is not recorded.
Firewater and an unproved translation
Etymonline dates the American English term firewater for alcoholic liquor to 1826. It says the word is supposedly from the speech of American Indians, but its true origin is not reliably established.[4]
Claim: Firewater is a translation of Native American speech.
Verdict: Legend
What the record shows: Etymonline presents the connection as supposition.
Evidence against or gap: The proposed origin is not established.
Earliest known source: Not documented in the supplied sheet.
Sources: Etymonline, firewater.
Last checked: November 2026; the day is not recorded.
Bootleg predates American Prohibition
Etymonline dates the original sense of bootleg, the upper part of a boot, to the 1630s. Before its liquor meaning, the bootleg was already described as a place to conceal knives and pistols.[6]
The American slang sense involving illegal liquor is recorded from 1889. Etymonline explains it through the concealment of a flask down the leg of a high boot.[6] The underlying 1889 citation is not identified in the supplied sheet.
The important correction is chronological: the liquor word did not begin with Prohibition in 1920.[6] Its later application to unauthorised recordings, dated by Etymonline to 1957, is another stage in the word’s history, not evidence about its liquor origins.[6]
Forty rod: a recorded name with competing explanations
Forty rod appears in Sir William Howard Russell’s My Diary North and South, published in Boston in 1863. The passage describes drinkers trying to “allay the internal fires caused by ‘forty-rod’”.[7] It places the expression in a Civil War era account, rather than leaving it solely in a cowboy setting.
The Canadian record broadens that picture. The Dictionary of Canadianisms on Historical Principles includes an 1878 description of “Forty Rod” as the Saturday night drink of a railway navvy, a 1927 reference to a cargo bound for Fort Walsh, and a 1958 association with hootchinoo.[8] These examples do not establish where the name was invented.
Story box: why call it forty rod?
Founding story: Not documented.
Documented record: Russell’s 1863 diary contains the expression. Washington Davis supplied one explanation in 1888, and Farmer and Henley supplied another in 1893. These passages are reproduced or discussed by The Civil War Monitor.[7]
Legend or tradition: The nickname attracted explanations based on an imagined distance between the drink and its effects.[7]
Claim: “Forty rod” referred either to a drink’s supposed killing distance or to a drinker feeling separated from himself.
Verdict: Disputed
What the record shows: Davis wrote that the drink made someone feel forty rods from his real existence. Farmer and Henley described whiskey supposedly capable of killing at that distance.[7]
Evidence against or gap: Which explanation came first is not reliably established.
Earliest known source: Davis’s 1888 account is the earlier of the two explanations supplied; Russell’s 1863 diary records the name but does not settle its origin.[7]
Sources and claim mapping: The diary passage, Davis’s explanation and Farmer and Henley’s explanation are each identified in Forty Rod, The Civil War Monitor, citing publications from 1863, 1888 and 1893 respectively.
Last checked: November 2026; the day is not recorded.
A documented nickname does not make its dramatic explanation literal. Neither account should be presented as a measured statement about the drink’s strength or effects.
Pints, quarts and an uncertain phrase
The phrase mind your p’s and q’s is recorded from 1602, but its origin is not proven. The story that pubkeepers chalked pints and quarts on a slate is rated false by Snopes.[12]
Claim: The phrase comes from pubkeepers recording pints and quarts on a slate.
Verdict: Legend
What the record shows: The phrase is recorded in 1602, but that does not establish the slate story.
Evidence against or gap: No origin is proven.
Earliest known source: The earliest telling of the slate story is not documented in the supplied sheet.
Sources: Snopes, p’s and q’s.
Last checked: November 2026; the day is not recorded.
Tangle-foot was not purely American
Green’s Dictionary of Slang records tangle-foot as whisky, with variants including tanglefoot juice, tanglefoot whisky, tanglehoof and tanglewood. Its Australian meanings also include second-rate liquor or beer.[9]
The earliest year-marked citation on the sheet is Australian, from the Melbourne Age, with an 1855 context. It places tangle-foot among nicknames for colonial ale, alongside “sheep wash”, “stringybark” and “shypoo”.[9] Once again, a term associated with spirits also appears in beer vocabulary.
Green’s also records Confederate soldiers’ examples associated with 1861 to 1865 and 1862.[9] Those citations support American use, but not an exclusively American origin. The Australian evidence is the decisive correction to that narrower story.
Taos Lightning: invention and destruction
True West credits Peg-Leg Smith and partners with making Taos Lightning in 1824. The Taos County Historical Society instead connects the name with Simeon Turley’s mill and distillery at Arroyo Hondo, which he ran from 1830 to 1847.[10][11]
Claim: Who first made Taos Lightning is contested.
Verdict: Disputed
What the record shows: The sources offer different accounts of the drink’s early history.
Evidence against or gap: Its inventor and date of invention are not reliably established.
Earliest known source: Not documented in the supplied sheet.
Sources: Taos County Historical Society; True West.
Last checked: November 2026; the day is not recorded.
On 20 January 1847, insurgents besieged, burned and sacked Turley’s mill during the Taos Rebellion. Turley was killed after escaping.[10]
How to read historical liquor slang
Start with the drink named in the passage, not the drink a modern reader expects. Grose’s rotgut, lightning and moonshine show why: the definitions point respectively to small beer, gin, and smuggled brandy or regional gin usage.[2]
Next, distinguish a dated appearance from an explanation. Merriam-Webster’s 1819 date helps locate red-eye in the written record; the competing forty rod accounts show that explaining a nickname can be a different and less settled task.[3][7]
Finally, retain the source’s viewpoint. A dictionary’s definition, a diary’s colourful phrase and a later explanation do different jobs. Reading them together is useful; treating them as interchangeable can turn a colourful expression into an origin story the evidence does not support.
Where to go next
- Dram, Nip and Two Fingers: Whisky Slang Explained: everyday terms for measures and drinking vocabulary.
- The Real McCoy, Hooch and Whisky: Which Word Origins Are True?: another examination of word origins and their supporting evidence.
- Sláinte: Whisky Toasts From Around the World: the language of toasts rather than liquor nicknames.
Sources
[1] Etymonline, trade reference. rotgut (n.). Undated online entry, checked November 2026. https://www.etymonline.com/word/rotgut
[2] Francis Grose, Project Gutenberg. 1811 Dictionary of the Vulgar Tongue. 1811 edition, electronic transcription. https://www.gutenberg.org/cache/epub/5402/pg5402.txt
[3] Merriam-Webster. red-eye. Undated online dictionary entry, checked November 2026. https://www.merriam-webster.com/dictionary/redeye
[4] Etymonline, trade reference. firewater (n.). Undated online entry, checked November 2026. https://www.etymonline.com/word/firewater
[5] Etymonline, trade reference. moonshine (n.). Undated online entry, checked November 2026. https://www.etymonline.com/word/moonshine
[6] Etymonline, trade reference. bootleg. Undated online entry, checked November 2026. https://www.etymonline.com/word/bootleg
[7] The Civil War Monitor, trade publication. Forty Rod. Undated online article, checked November 2026; discusses publications dated 1863, 1888 and 1893. https://www.civilwarmonitor.com/article/forty-rod/
[8] University of British Columbia. Dictionary of Canadianisms on Historical Principles, DCHP-3, forty-rod. Online edition, checked November 2026. https://dchp.arts.ubc.ca/entries/forty-rod
[9] Green’s Dictionary of Slang. tangle-foot, n. Undated online entry, checked November 2026. https://greensdictofslang.com/entry/new4myi
[10] Taos County Historical Society, Ernest Lyckman. A Review of the Ranch, Trading Post, Mill and Distillery of Simeon Turley, Ayer y Hoy en Taos, number 6, winter 1988. Checked November 2026. https://taoscountyhistoricalsociety.org/images/AyerYHoy/061988Winter.pdf
[11] True West Magazine, trade publication. What is Taos Lightning? Undated online article, checked November 2026. https://truewestmagazine.com/article/what-is-taos-lightning/
[12] Snopes, trade publication. Etymology of 'Mind your P's and Q's.' Undated online article, checked November 2026. https://www.snopes.com/fact-check/ps-and-qs/
This desk-researched article uses the supplied verified fact sheet, distinguishing historical dictionary entries from later explanations and keeping their evidential limits visible.
Last checked: November 2026