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!
(radi-cool) the height of awesome - a contraction of radical and cool.
That band is radicool.
A fusion of Radical and Cool. Not to be used unless somthing is of the upmost awesomeness, when neither rad nor cool can describe such (insert noun here) to its fullest sense. Nothing can be sorta Radicool, the only word that shall be used before Radicool is Totally. The word shall always be respected and used properly. If used improperly, you have permission to roundhouse the violator. 1 kick per violation.
Synonyms: Fully gnarly, massively sick, incredibly wicked, hypnotically phycadellic, ect.
Chance: dude, everybody nowadays are ass guys, it makes me feel so alone, being a tit guy
Ted: I'm a boob guy
Chance: that's fucking 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! :)
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?"