bum

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'"

a disreputable vagrant; "a homeless tramp"; "he tried to help the really down-and-out bums"

person who does no work; "a lazy bum"

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?"

ask for and get free; be a parasite

be lazy or idle; "Her son is just bumming around all day"

of very poor quality; flimsy