wankette

noun2

1. •
   (slang, vulgar) A woman who masturbates.

   • What really gets me off is reading the stories of other folks. True stories from fellow wankers. (I guess the women would be wankettes?) — 2002
2. •
   (vulgar, offensive) A stupid or annoying woman.

   • There is always one wanker or wankette who is so completely drunk that they ruin the fun for everyone else. — 2009