1 definition by dictionary of urbans
The act in which a woman lies on her back and spreads her legs legs wide, whilst someone else inserts a closed fist into the woman's vagina. The second person then proceeds to 'pump' their fist forward and back in the woman's vagina.
Person 1: Aaaaay man i could go for a fist pump right now ay
Person 2: You sure girl i thought that made you realy lose ay?
Person 2: You sure girl i thought that made you realy lose ay?
by dictionary of urbans December 27, 2012