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2.
palm muting is commenly know to guitarist as a tecnique used in playing, but here is the true definition it is when a person unsupecting after talking shit is slapped directly in the mouth with the palm first.10 point bounus for making them cry 15 point bonus for knocking out a tooth 20 point bonus plus bragging rights for knocking them out!
bill came over talked a little bit of shit and i had to do some palm muting on his ass.
by GROVESTOWN June 20, 2006
 
1.
a method to dampen loud orgamsic screams during sex.

When you place you place the palm of your hand on your girlfriends mouth to keep her loud orgasmic screams down so that no one can hear her in the other dorm rooms!
Dude one: "boring night?" Dude two: "no man got laid!" Dude one: "I didn't hear a thing?" Dude two: "ya nasty loud, I thought nothing could dampen her enthusiasm, I had to use some palm muting to keep it down!" Dude one: "awesome!"
by Sambiase January 10, 2014