The gentleman's raptor claw
Extension of the raptor claw; Where one seductively places the thumb into the anus of a woman while in the throes of passionate fisting.
Prudish pornstar: I can't believe he tried to give me the raptor claw on set.
Gentlemen caller: Baby, you've clearly never had The gentleman's raptor claw.
Gentlemen caller: Baby, you've clearly never had The gentleman's raptor claw.