radtastic

amazing; of top-notch quality.

Dude, last night's shenanigans were radtastic, were they not?

by AlanJohn January 21, 2008

radtastical

Amazing, radical, the greatest

That movie is radtastical.

by MacAttack May 4, 2005

radtastic

to be rad, and fantastic (not in a gay way)

man that game the other day was radtastic

by 1337solidsnake117 May 16, 2007

Radtastic

To be Incredibly amazing, both RADical and fanTASTIC at the same time.

Bob: Hey, Guess what cindell, it's friday.

Cindell: AGAIN??? ARE YOU SERIOUS??

Bob: yep.

Cindell: OH MAN, THAT's SO RADTASTIC, I HARDLY KNOW WHAT TO DO WITH MYSELF!!

by Cindell Corbeil December 20, 2007

radtastical

(adj.) a word that describes something that is so far beyond amazing that this is the only word to describe it.

Teacher: Does anyone know what the synonym for-

Jack: RADTASTICAL!

Teacher: No, Jack. And you really should really start raising your hand-

Jack: -BUT, I DO!

Teacher: Yes, Jack. AS you're blurting out what you have to say. So does anyone know the synonym for- oh- I guess you're right, Jack.

Jack: RADTASTICAL *:D*

by bleyw&trippy January 8, 2010

RADtastic

a word derived from the words "RAD"(commonly all capitalized) and "fantastic", in a way of saying better then RAD or Fantastic but in the sense of being rad or fantastic
RADtastic mainly used in small towns or areas made up in the city of Bellevue Nebraska while describing SKA music
a commonly used phrase with RADtastic is
"RADtastically SKAwesome"

"Dude, thats RADtastic!"
"RADtastically SKAwesome

by RADtastically SKAwesome December 10, 2008

Radtastic

Extremely rad.
Really "cool".
Amazing.

Sarah is radtasic.
Ashley, that stunt was so "rad". Radtastic
Tonight is going to be so radtsatic.
Tonight is going to be so rad.

by Holly. October 23, 2007