I did the ole slipslap on Monday when I was talking to my girlfriend and let it slip that I went out with her best friend before we started dating.
by KingSaint December 13, 2010
The act of flipping the vaginal flaps open whilst simultaneously inserting a finger into the vaginal crease and slapping the girl on the ass.
by Nathanorange6 February 16, 2016
by Hot cherry pie37 October 17, 2018