Ignoring contact(i.e. calls, and, PMs) from a person who you find annoying in some way instead of letting them know, because, when you decide to converse they provide some benefit.
Karen is so overt that I'm muting her, until I feel bad enough about myself to sleep with her again.
Karl keeps checking on me, but, I have him on mute; 'till I start freaking out about work again.
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!"
Mom: Johnny, if you're staying up late tonight be sure to mute your piss so you don't wake me up.
Another example:
Friend 1: Hey I have to piss. What if I wake your parents?
Friend 2: Dude just use Piss Muting.
Friend 1: Great idea why didn't I think of that?