Wiktionary
n. (context slang English) A cheap alcoholic drink made from mixing red wine and methanol.
Usage examples of "red biddy".
This Treacle Tom to whom reference has been made had been absent from his usual wild and woolly haunts in the land of counties capalleens for some time previous to that (he was, in fact, in the habit of frequenting common lodginghouses where he slept in a nude state, hailfellow with meth, in strange men's cots) but on racenight, blotto after divers tots of hell fire, red biddy, bull dog, blue ruin and creeping jenny, Eglandine's choicest herbage, supplied by the Duck and Doggies, the Galopping Primrose, Brigid Brewster's, the Cock, the Postboy's Horn, the Little Old Man's and All Swell That Aimswell, the Cup and the Stirrup, he sought his wellwarmed leababobed in a housingroom Abide With Oneanother at Block W.