A pornographers term used in the observation of a females anus the moment after a throbbing penis was pulled from it. Also known as "gapping".
I pounded her ass untill I shot my load, then I pulled out so I could gap that ass so good!
by textfile232 January 02, 2006
To have anal sex with a woman with such vigor, in turn permanently spreading her buttocks. Hence, the "gap."
Cindy, you won't be walking straight tomorrow when I gap that ass.
by payrayz February 17, 2010