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 October 15, 2008
Get the rear collision whiplashmug.