stinker
noun.
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'
noun.
anything that gives off an offensive odor (especially a cheap cigar)
noun.
an artifact (especially an automobile) that is defective or unsatisfactory
Synonym: lemon