Period blood from a human female experiencing her menstrual cycle; usually of the dried (unfresh) variety. Generally has a brownish coloration.
"Awwww nigga you got bool all ova ya pant leg, what kinda nasty ass chick you been bangin'?"
by Uncle Tom Foolery August 08, 2008
It basicaly is cool, but the begining letter is the letter before it in the alphebetical order. Instead of c, its b. Much like drunk, and crunk. It is very much the same. The Bloods most definitely didn't start it.
I played this bool game last night, when i was crunk and had a hard-on.
by Scott Richard October 21, 2005