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When one stares at their reflection so long they develop a severe admiration of what they see in the mirror. This severe admiration becomes a "mirror fuck" when they give themselves a once over and it looks like they're raping their reflection with their own eyes.
I looked so hot right before I left my house, that I mirror fucked myself for about 20 minutes before I finally left to go to the club!
by impo1kd April 13, 2007
When you are in the gym, and someone positions themselves as to make it appear that their crotch is near an opening of your body as seen from the mirror reflection.
Andrew was bench pressing and after each set the creeper behind him moved around trying to mirror fuck him.
by iceyyyyy November 17, 2009