A common homosexual practice in which two or more men achieve sexual arousal by throwing semen-lathered turd-balls at each other. Snowball Fights are often followed by marathons of anal sex between the parties involved.
John: Hey Michael, I'm having a few friends over for a Snowball Fight this weekend. Would you like to participate?
Michael: Of course! I have some turd-balls in the fridge!
Michael: Of course! I have some turd-balls in the fridge!
by Definitely Not John March 22, 2013