Pounded her like a piece of schnitzel 

To copulate vigorously, so as to cause a slapping sound similar to the sound heard when tenderizing a veal cutlet on a board.

Garage Dweller1: Did you notice that Honey was walking funny yesterday?

Garage Dweller2: That's because her boyfriend pounded her like a piece of schnitzel.

Pounded her like a piece of schnitzel by Garage Dweller1 September 30, 2009