On the occassion that you are pissed off, or just horny, at or for another dude, you pull out your genitalia, and slap them against any part of the body of said dude. Loud yelling of "MEATBLAST!" must follow, and a joyful dance symbolizing your superiority over them.
I was taking a hot soapy shower with Brian Silvercock, and he bent over to wash off the shampoo, and I meatblasted his bare back. My friends, who were also in the shower, gave me a high five... No Homo!
by Brian Silvercock July 28, 2009