: a person who is deemed to be despicable or contemptible; "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'" tramp, hobo, bum: a disreputable vagrant; "a homeless tramp"; "he tried to help the really down-and-out bums" idler, loafer, do-nothing, layabout, bum: person who does no work; "a lazy bum" buttocks: the fleshy part of the human body that you sit on; "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?" mooch, bum, cadge, grub, sponge: ask for and get free; be a parasite : be lazy or idle; "Her son is just bumming around all day" bum, cheap, cheesy, chintzy, crummy, punk, sleazy, tinny: of very poor quality