A fork of Rural Dictionary
When you fuck a woman, and you cum in your hand, and then you slap her (I mean really smack her) with the cum soaked hand.
I finished and gizzed her in the face.
1. Taken from the classic movie, Clerks, a gizz mopper is an employee of janitorial status who works at a nudie booth. When satisfied customers blow their loads on the glass... this really doesn't require much more explanation.
Randal: I wonder how much a gizz mopper makes.