When your poo is blue from consuming too much blue dye from something like a slushie.
"All those blueberry slushies made me take a Bloo."
by nocturnalcrepe August 3, 2015
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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 22, 2004
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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 12, 2007
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an adjective used to describe things that are rad, awesome, sweet, and cool.
that shirt is so bloo!
by fizzi April 18, 2008
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The sound of someone crying so hard they start to blubber.
"abloo bloo blooooo ablooooo blooooo I just dropped my coffee on my shoooooooeeeeeeee"
by Scoooooooooioooiop October 9, 2019
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Something or someone that is funny,cool,trustworthy,Hard working,puts everything into things they care about
by JJ Speed September 19, 2017
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