look up any word, like blumpkin:
 
1.
Full name: Blooregard "Bloo" Q. Kazoo

n. Bloo is one of many loveable and eccentric characters in Cartoon Networks "Fosters home for Imaginary Friends".
He is a small, blue, almost gelatinous imaginary friend with a knack for getting in trouble but in a genius way.
He was imagined by Mac.
"...Down with tyrrany! Up with...nontyrrany!" -Bloo
by BlizzaynE March 24, 2006
 
2.
A person who is a long close friend; a confidante; a trusted college friend with whom one has shared many memories; a friend, buddy.
"Shes always been there to support me. Shes my bloo."
"Hey bloo, that boy turned out to be a big arsul, lets go egg him!"
by FandPong May 08, 2009
 
3.
an alternate spelling of "blue"
can also be used as a random statement to bug people
"what are you doing"
"bloo!!!"
by doom5 May 09, 2004
 
4.
he's a blue blanket. he's from foster's home of imaginary friends and he's a blanket.

bwahahaha.

blankets are tizzight.

he's the tizzightest of them all.

he just happens to be blue.

might be better if he was green...

but then his name would be green.
: /
LOOK! that blanket looks like bloo!
by Melissa. September 11, 2007
 
5.
an adjective used to describe things that are rad, awesome, sweet, and cool.
that shirt is so bloo!
by fizzi April 18, 2008
 
6.
A word that expresses disinterest in the current conversation topic.
Person One: And I really do think that my shoes smell good....I mean, they're lavender flavored....and I've only worn them three times....and there isn't anything growing on them....what do you think?
Person Two: ....Bloo.
by LBC November 21, 2004
 
7.
A word that means anything you want it to!
She is such a bloo!
by nick898 July 02, 2003