Top definition
A commonplace term for the drug Marijuana.
Randall: "You up for getting some croo this weekend?"

Pedro: "Yeah I can get some off Leemo tomorrow if you want"
by Justice Bringer September 14, 2009
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Jul 13 Word of the Day
a phrase chiefly used in northern England.

it is a contracted form of "it'll be reet", where "reet" means "alright" or "OK".

living your life according to "be reet" is the only way to find happiness in life.
Geoff: "ZOMFG a just hopped off the buz n me 'ouse is burnin' down n me Deirdre's in there dyin!"
Jack: "Be reet."
by Tommmmmmmmmmmmm May 06, 2007
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2
A word used to indicate the presence of an awkward silence. An onomatopoeia of the chirping of crickets in the background (croo croo croo croo...)
Kanye West: "President Bush doesn't care about black people."

...

Chris Tucker (thinking): "CROO!"
by Cheezburga December 10, 2009
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4
the activity of stage crew as to not be confused with rowing crew
Croo encourges sexism.
by ApplejaXX April 09, 2008
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