2 definitions by David Zirbin

a combination of being rad and cool. the 2 don't cancel eachother out, but instead just make an awsome combination.
Dude, that party last night was radicool!
by David Zirbin June 19, 2005
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A combination of something that is rad and is cool.
(1)"Dude, that party was radicool last night!", or (2)"Did you see that radicool move?"
by David Zirbin June 19, 2005
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