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10.
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
18 49
 
1.
a word bloods use, it's basically "Cool" with the "C" replaced by a "B"
aye them niggaz are bool as fuck
by BigRay December 26, 2004
126 54
 
2.
1. A primitive variable type in most programming languages; can be true or false
2. Because undeclared bool variables usually default to false: A word used as an antonym for cool; As in not cool; can be used as a noun for an imaginary substance of very uncoolness.
Not gonna lie, that movie was really bool.

What a load of boolshit!

Holy buckets of bool! That hurt!

Don't drown in a pool of your own bool.
by One Bard October 12, 2009
39 22
 
3.
British slang for "balls." See chools.
Guy: Oh mate, that bird just kicked me in the bools!
by Daruna February 22, 2007
15 13
 
4.
A way of life. Living life not caring about shit.
1.)
"Aren't you worried about failing the test?"
"No, I'll just bool it."

2.)
"What are you doing?"
"Just boolin"
by twalnuts June 08, 2014
1 0
 
5.
A mathematical system used in computer programming in which
the possible answers can be true or false.
See boolean.
bool IsChrisJamesAHomo = true;
by omegabyte December 07, 2004
35 34
 
6.
Poo balls. The resulting effect of buttbagging. (See buttbagging.) Used as an adverb or an adjective.
You are bools.
by Capt. Bools December 07, 2008
15 16
 
7.
To push a bicycle on foot; to get off a bike and walk it when the road is too tough to cycle on.

Often said in Hull and Yorkshire.
"The hill was so steep, I had to bool my bike"
"I booled my bike all the way up the street because my chain came off"
by pandora braithwaite October 02, 2013
5 7