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

[ Syn: dirty dog , rat , skunk , stinker , stinkpot , bum , puke , crumb , lowlife , scum bag , so-and-so , git ]