belting (down), drinking, gulping, guzzling, hoisting, imbibing, knocking back, pounding (down), quaffing, sipping, slugging (down), slurping, supping, swigging, swilling

lapping, licking, suckingconsuming, downing, ingurgitating, killing, mouthing (down), putting awaynipping, tipplingpledging, toasting, wining