radtabulous 

(adjective) A combination of rad, fantastic, and fabulous. Expressing the pinnacle of that which is cool.

The boy's guitar skills were so radtabulous, Brian May would crap his pants if he heard them!

radtabulous by Peter Coleman November 4, 2004

Radaculous 

When things are getting so rad that the levels of rad are surpassing the levels of gnar. Resulting in Radaculous (typically a term used amongst skaters)

Dude i can't believe you just ollied that gap, that was radaculous

Radaculous by jamestown09 August 18, 2016

radabulous

rad and fabulous mixed together

Lily is so totally radabulous!

radabulous by Steph Fregoe December 13, 2007

radtapulus 

a word used to describe anything that seems incredible to you when high

-thanks Miss J

That weed was fucking radtapulus!

radtapulus by Stevers June 11, 2006

Ramtabulous 

Being really amazingly fabulous and happy...this word was made up by a really smart guy named kyle. This word needs to be used.

I feel ramtabulous today!

Ramtabulous by Aflo March 16, 2015