belting (down), drinking, gulping, guzzling, hoisting, imbibing, knocking back, quaffing, sipping, slugging (down), slurping, supping, swigging, swilling, tossing (down or off)
lapping, licking, suckingconsuming, downing, ingurgitating, killing, mouthing (down), putting awaynipping, tipplingpledging, toasting, wining