mouthfucker

plural mouthfuckers

1. derogatoryoffensiveslangvulgarOne who mouthfucks.

   2001, Arion, link A mouthfucker wasn't thought to be polluting himself by polluting others...

   2 more examples

   Recalling it all thinking shit what a mouthfucker he was and thinking about the older chick maybe

   2008, David Hitchings, Dime Novel Sunset, page 168

   Then there was Pollux, who was a footfucker from way back but who could also be a brutal mouthfucker, pounding my warm wet cave like a force of nature—a hammering ocean or blinding rain that could only be endured.

   2010, Wayne Courtois, My Name Is Rand, page 134

2. derogatoryoffensiveslangvulgarTerm of abuse.