Source : Webster's Revised Unabridged Dictionary (1913)

Trollop \Trol"lop\, n. [From {Troll} to roll, to stroll; but cf.
   also {Trull}.]
   A stroller; a loiterer; esp., an idle, untidy woman; a
   slattern; a slut; a whore.

Source : WordNet®

trollop
     n 1: a dirty untidy woman [syn: {slattern}, {slut}, {slovenly
          woman}]
     2: a woman adulterer [syn: {adulteress}, {fornicatress}, {hussy},
         {jade}, {loose woman}, {slut}, {strumpet}]