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The act of viciously sodomizing a female that has profuse acne in and about the buttocks area. The massive thrusting motion ruptures the white tops of the zits, cause all the accumulated pus to spill out onto the butt cheeks and into the colon. Often used as a 'natural' lubricant to aid in the anal penetration.
The aftermath usually leaves a large and unsightly mess on both participants.
After Betty, the zit queen, had come out of the back room at Bill's party she was hesitant to sit down. We could all tell that Jimmy had give her quite a PUS THRUST earlier because he had a bunch of caked white goo on the front of his pants. What a sick fuck!
by e-rips December 30, 2003
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