smut"ti*ly
Webster's Dictionary (GCIDE)
1.Soiled with smut; smutted. [1913 Webster]
2.Tainted with mildew; as, smutty corn. [1913 Webster]
3.Obscene; not modest or pure; as, a smutty saying. [1913 Webster]
The smutty joke, ridiculously lewd. --Smollett. [1913 Webster] -- Smut"ti*ly, adv. -- Smut"ti*ness, n. [1913 Webster]