1. A friendly gathering usually involving hacky sacks and LSD.
2. To have conversations with a large amount of people for a long time
1. I took my family to a Roo Hoo last night.
2. We roo hooed for hours after seeing Tool
by Squilla November 25, 2007
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Somone who considers eating a kangaroo's ring piece (or cock)more acceptable than eating its tongue.
Did you hear Steve say that he wouldnt mind eating a Kangaroos arse? - or even its cock? Yeah hes a real Roo's Rear Eater is that mister Fletcher!!!

Normal people wouldnt do either.
by UK Greg November 23, 2006
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Refers to someone of a colored nature (black) and their main defining feature the dreaded KANKLE.
GODDAMN!?!?! Look at Kanor hitting on that ugly ass Kankle-roo. She's probably gonna shrimp her later.
by MikeHancho69 August 26, 2011
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A raging Australian hard-on. A real thick cack of a unit, ready for prime-time action.
At Bunning's grabbin' a snag and nek minnut this bird rubbin and tuggin the roo hanger, mate.
by Culokin June 19, 2018
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An exaggerated pronunciation of "(all) right(s)y-roo".
Hey, Andrea, our team won! 'Rutsy-roo!!!!!
by pentozali July 6, 2009
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Roo Boo is the most gorgeous woman to ever existed. She doesn't see her beauty but that's okay, everyone around her does. She has a gorgeous smile, and an amazing personality. She will become your best friend. It will last for years. But don't get on her bad side, she will turn into a royal Bitch.
Roo Boo is my best friend and i love her to pieces.
by WickedSlothh August 14, 2021
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