stinker

(noun) a person who is deemed to be despicable or contemptible. Synonyms: rotter, dirty dog, rat, skunk, stinkpot, bum, puke, crumb, lowlife, scum bag, so-and-so, git. Examples: "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'."

(noun) anything that gives off an offensive odor (especially a cheap cigar).

(noun) an artifact (especially an automobile) that is defective or unsatisfactory. Synonyms: lemon.