A non gender-specific, animal who scavenges for food. Has similar properties to a parasite. In popular culture it has come to describe people who constantly demand the resources of others, for example food.
Girl A: Oh please may I try one of those, I've never had one before, they look tasty.
Girl B: Fuck off Roo!
Girl B: Fuck off Roo!
by sophie4kate March 18, 2011
An imaginary room where you can have anything and everything you want in it. The obvious difference between a roo and a room is that a roo is much cooler than a room because it has no "M"
My roo has a waterbed, a lavalamp with smiley stickers, a massaging bean bag chair, a bowling alley, a circus bear, a...
by JAKJAK362 December 15, 2010
by R. Horje November 27, 2010
Three-way, all-male, simultaneous, competitive sodomy. In other words, a three-way butt fuck. The man in the middle is the Quimby or Lucky Pierre.
by BAFV September 16, 2007
Unlike the infamous phrase "roo roo", roo Roo ROO is an endearing gesture of support for another human. Similar to exclamations like "go get 'em champ!" and "Atta-boy", roo Roo ROO is used to let another person know that you like what they are doing and what they have to offer. A person hearing roo Roo ROO will be invigorated with pride and fire. roo Roo ROO is commonly exclaimed in an athletic forum or during a physical challenge.
With a tear in his eye and a fist in the air a young man shouted, "roo Roo ROO" as his favorite sports writer destroyed his naysayers with the power of a well-constructed and well-supported argument.
by Debocalypse July 3, 2014