Nouns

(n)rotter, dirty dog, rat, skunk, stinker, stinkpot, bum, puke, crumb, lowlife, scumbag, so-and-so, git, scum baga 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’”
(n)stinkeranything that gives off an offensive odor (especially a cheap cigar)
(n)lemon, stinkeran artifact (especially an automobile) that is defective or unsatisfactory