A formal dance where Dad's go with their 'faithful' daughters, for the latter to pledge to preserve her virtue until marriage or when necessary.
Wayne: Hey lindsay, will you be attending the ball?
Lindsey: what ball?
Wayne: Purity ball of coarse, o I forget I just broke your virginity accidentally.
2) A default screen name used by users who registers into MLB message board without creating thier own screen names; commonly used by trolls and people who are too lazy to think up their own screen name.
A sexual act, where the man places his testicles in a warm bowl of water while his femaile counter part takes a straw and begins to blow bubbles under his testicles while giving him a hand job.