While riding your pertner from behind, just before shooting your load, hit her round the head with something hard. This causes her to contract giving the beholder great pleasure
by Minchos May 2, 2003
When you are fucking a chick doggystyle, donkey punch yourself, knocking yourself out. Going for the double knockout, fall face first into the back of the chicks head knocking her out, while still inside her you both fall to the floor.
by retarded and sexy December 7, 2008