Noun

• 1. 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'"

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

• 3. an artifact (especially an automobile) that is defective or unsatisfactory