radicity 

Radness. used to describe something that is totally rad.

Geoff: Hey man, your tie exudes radicity.

radicity by GeoffGirardin February 26, 2009

radocity 

is like rad but not. same concept, but you're saying the "radocity of something was so high...". meaning that whatever sentence you may stick in there means you're judging the "coolness" level of something as being very high. yep.

"you rock the radocity of the world"

radocity by etchasketch November 17, 2003