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While getting a woman from behind with a pony tail, pulling the ponytail and thus her head back until ejaculation then abruptly letting go sending her head forward into a wall or headboard.
"dude, I have to go visit brittany in the hospital, I was nailin' her last night and I gave her a rear collision whiplash into the heard board, broke her nose, and gave her a concussion!!"
by Shawn Barth August 22, 2008
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