Entry 2 senses · 2 variants Webster, 1913 Bouse /bous/ · IPA /bˈaʊs/ v. i. n. 01 v. i. To drink immoderately; to carouse; to booze. See Booze. 1. To drink immoderately; to carouse; to booze. See Booze. See: Booze 02 n. Drink, esp. alcoholic drink; also, a carouse; a booze. 1. Drink, esp. alcoholic drink; also, a carouse; a booze.