swill / swil/ • v. [tr.] drink (something) greedily or in large quantities: they whiled away their evening swilling pints of beer | [as adj.] (swilling) his beer-swilling pals. ∎ accompany (food) with large quantities of drink: a feast swilled down with pints of cider.• n. 1. kitchen refuse and scraps of waste food mixed with water for feeding to pigs. ∎ alcohol of inferior quality: the beer was just warm swill.2. a large mouthful of a drink: a swill of ale.DERIVATIVES: swill·er n. [usu. in comb.] beer-swillers.