A contraction of "Radical Dude". Often accompanied by a fist wiggle with thumb and forefinger extended.
"Did you see Homie catch that wave?"
"Yeah, it was Radu"
by Goucci September 25, 2007
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Another word for 'loser'.
"Oh, look! This guy is a Radu!"
by 1lol heyyy March 22, 2019
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Reply All Douchebag Unveiling. When someone replies all and notifies a large group of their douchebaggery.
Did you see that Bob totally did a radu today?
by Linda Bushdix November 17, 2021
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G4y Gnome that has a bone disease and is made out of spagehhti noodles
by bruh momento69696969 June 3, 2020
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After you watch a lot of 3D images/video and your eyes get trained to this new form of media (2010) you begin to feel perspective more in your real life. Notably on highway drives with large empty farm fields along the road or when at an observation deck.
John: After watching that 3D movie everything looks like its been tilt shifted, my reality looks like a model train set now.

Kyle: It's the Radu effect dude! check it out on urban dictionary it was thought of years ago in the year (2010)
by max_fecta December 25, 2010
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1.Former member of the Moldovan pop-band, O-Zone. Now has a solo career under the artist name "RadU". Known for his hits Whap-pa and Doi Straini.
2.Extremely sexy man who is unfortunatly married. Many women wish it was otherwise.
3.An uncommonly talented composer and singer.
Individual 1: OMG I'm mad because you called me in the middle of listening to Radu Sîrbu! You made me pause it!
Individual 2: Are you gonna make me pay you again?
by Cat Anne July 6, 2008
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Radu is an ex-member of the group 'O-zone' that sang 'Dragostea din tei.'

He is the 2nd eldest member in the group, and is pictured as the guy with a box kind of face, wearing a lemon coloured top in the music video.
He is pretty handsome.
1) Dude one: Dude who's your favorite person in the O-zone band?
2) Dude two: Radu Sîrbu, of course.
by ChairTheMan69420 September 15, 2020
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