มองหาคำศัพท์ใดก็ได้ เช่น usuratonkachi:
 
1.
Rad and fantastic combined making a force to be rekoned with. If you are radtastic you are the best.
That movie was so radtastic i bet it will get great reviews
โดย sctso 28 เมษายน 2003
 
2.
(adj) Something so great, or tremendous, and unbelievable that it supersedes all other synonyms of both good and extraordinary.
Although she was nothing more than an iconoclastic misanthrope, she had to admit that her adversary's discovery was radtastic.
โดย Bradley Darren Davidson 14 พฤศจิกายน 2006
 
3.
to be rad, and fantastic (not in a gay way)
man that game the other day was radtastic
โดย 1337solidsnake117 03 พฤษภาคม 2007
 
4.
amazing; of top-notch quality.
Dude, last night's shenanigans were radtastic, were they not?
โดย AlanJohn 21 มกราคม 2008
 
5.
The most rad'st thing that can come up to mind
Dang T.A.K is like the most Radtastic skate crew out there man!
โดย Devin Starr 15 พฤษภาคม 2009
 
6.
something so fricken cool you couldm't even use the normal word "rad" to describe it!!
that was SO radtastic!

you are very radtastic
โดย asdfcodyjkl; 19 กรกฎาคม 2008
 
7.
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!!
โดย Cindell Corbeil 19 พฤศจิกายน 2007