sözcük ara, mesela hipster:
 
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
sctso tarafından 28 Nisan 2003, Pazartesi
 
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.
Bradley Darren Davidson tarafından 14 Kasım 2006, Salı
 
3.
to be rad, and fantastic (not in a gay way)
man that game the other day was radtastic
1337solidsnake117 tarafından 3 Mayıs 2007, Perşembe
 
4.
amazing; of top-notch quality.
Dude, last night's shenanigans were radtastic, were they not?
AlanJohn tarafından 21 Ocak 2008, Pazartesi
 
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!
Devin Starr tarafından 15 Mayıs 2009, Cuma
 
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
asdfcodyjkl; tarafından 19 Temmuz 2008, Cumartesi
 
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!!
Cindell Corbeil tarafından 19 Kasım 2007, Pazartesi