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To take the back of your fist and knock the holy shit out of some one. Particularly to some one who is being a dumb shit or a douche.

Step 1- Pick a target.
Step 2- Close your fist.
Step 3- Pull back.
Step 4- Release all the strength and strike the bitch across the mouth!
Dude I just bitch smacked my dum ass neighbor. It was epic!
by yopimp January 13, 2012
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