noun (n)

• a person who is deemed to be despicable or contemptible(noun.person)

  Synonym:
  bum, crumb, dirty dog, git, lowlife, puke, rat, rotter, scum bag, skunk, so-and-so, stinkpot
  

  source: wordnet30
• anything that gives off an offensive odor (especially a cheap cigar)(noun.artifact)

  source: wordnet30
• an artifact (especially an automobile) that is defective or unsatisfactory(noun.artifact)

  Synonym:
  lemon
  

  source: wordnet30
• One who, or that which, stinks.(noun)

  source: webster1913