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1. radicool
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!
2. radicool
(radi-cool) the height of awesome - a contraction of radical and cool.
That band is radicool.
by Morgan May 11, 2005 share this add a video
3. radicool
someone who is rad and cool
that d00d is radicool
by walt May 10, 2003 share this add a video
4. Radicool
Something that is awesome and hyper cool, a stellar fusion between "radical" and "cool".
Chrissa: Woot! I just got a blacklite-strobelite!

Sami: RADICOOL! :)
5. Radicool
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?"
6. radicool
radicool is a philosopy that combines the two words RAD and COOL used to discribe a bad ass
heel flip indys are not radicool

that girl looks like a pig smoking a cigar while eating a pork pie its so radicool
7. Radicool
An awesome word invented by Solveig, it is a combination of rad and cool.
Radddddddd
J-rad: "Dude thats rad, and kinda cool"
So-rad: "Thats radicool!"