mountain dew

1. IrelandSouthern USuncountableIllegally distilled whiskey.

   c. 1870s, George Etell Sargent, The Story of a City Arab, Religious Tract Society, page 387. How they were employed was manifest from the strong perfume of tobacco and mountain dew (illicit whisky) which, striking upon me as I entered, almost overpowered my senses, […]

   2 more examples

   […] and a big-bellied bottle of old whiskey — for there is nothing like mountain-dew taken internally for resisting the effects of night mists.

   1837 November, “Leistering Salmon by Torch-Light”, in New Sporting Magazine, volume XIII, number 79, page 310

   At last, says he, "Pray, sir, did you ivir dhrink any potyeen? any raal mountain-jew?" - "No," says Coo; "what's that, and where does it come from?" - "Oh! that's a sacret," said Jack, "but it's the right stuff; nivir believe me agin if it isn't fifty times better nor brandy or rum either. Biddy's brother jist sint me a prisent of a little dhrop, in exchange for some brandy, and as you're an ould frind o' the family, I kep it to thrate you wid."

   1850, Thomas Keightley, The Fairy Mythology, London: H.G. Bohn, page 534

   Synonyms: bootleg, hooch, moonshine, poteen, white lightning

2. Trinidad and TobagouncountableIllegally distilled rum.

plural Mountain Dews · alternative Mtn Dew

1. countableuncountableA brand of citrus-flavored, carbonated, heavily caffeinated beverage.

   In 1985 a Mountain Dew commercial started popping up on TV ....

   2003, Mat Hoffman with Mark Lewman, The Ride of My Life, page 33

   2 more examples

   It has become a signature of the Koffee Kup, as much as the flower boxes filled with geraniums and the classic Mountain Dew sign hanging off the front of the building

   2004, Joanne Raetz Stuttgen, Cafe Wisconsin: A Guide to Wisconsin's Down-Home Cafes, page 210

   The thing is, Rob Harris did die, he died shooting a Mountain Dew ad

   2007, Bill Brioux, Truth and Rumors: The Reality Behind TV's Most Famous Myths, page 57