Sperm ball is a truly amazing game invented by members of camp dave and team amazing at download 2007. It involves launching a sperm shaped ball at each other and hoping for the best.
by [Super JO] January 05, 2009

A Sperm Ball is when you fill a condom with so much sperm it becomes the size of a ball then it is thrown at someone and explodes on contct covering them
by Super Purple Vampire April 21, 2009

by DubbyDzn January 03, 2014
