The process of removing a used nut cup from your pants and placing it over someone else's mouth. Best when used to wake another person up while sleeping on a bus.
Trevor fell asleep after a baseball game and got a rude awakening from the Bohemian Gas Mask applied by Josh, but secretly he liked it.
When you are so angry at a specific person that you murder their entire family; Making the person watch while you skin their fathers face and wear it while you rape their dead mothers corpse.
You better shut upman or Im going to Daddy Mask the shit out of you.