What does "smutty" mean?

Smutty: Tainted with mildew; as, smutty corn.

Additional senses

  1. 2.Obscene; not modest or pure; as, a smutty saying. The smutty joke, ridiculously lewd. Smollett. -- Smut"ti*ly, adv. -- Smut"ti*ness, n.

Sources