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When a man, who's having a woman ride him in the cowgirl position, decides to take control and lifts her buttocks into the air with both hands and repeatedly thrusts his penis deep into her vagina with rapid, upward movements.
"Yo bromeo, I was gettin rode like a racehorse when I picked her sweet ass up and totally upstabbed that bitch!"
by BigDaddyEP October 22, 2009
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