Definitions for (noun) bum
Main entry: keister, seat, rump, rear, rear end, posterior, prat, fanny, fundament, ass, behind, arse, backside, hind end, hindquarters, bum, buns, butt, buttocks, can, bottom, derriere, tooshie, stern, tail, tail end, tush, nates
Definition: the fleshy part of the human body that you sit on
Usage: he deserves a good kick in the butt; are you going to sit on your fanny and do nothing?
Definition: person who does no work
Usage: a lazy bum
Definition: a person who is deemed to be despicable or contemptible
Usage: only a rotter would do that; kill the rat; throw the bum out; you cowardly little pukes!; the British call a contemptible person a `git'
Definition: a disreputable vagrant
Usage: a homeless tramp; he tried to help the really down-and-out bums
Definitions for (verb) bum
Definition: ask for and get free; be a parasite
Definition: be lazy or idle
Usage: Her son is just bumming around all day
Definitions for (adjective) bum
Definition: of very poor quality; flimsy