Rentastic 

something or someone that is considered fantastic or amazing by people named Lauren or someone else that has a "Ren" in their name.

My date last night was so Rentastic!

Rentastic by PrincessR November 24, 2009

centastic

A fantastic centaur, referring to something as fantastic while being a centaur centaur

Damn, look at his centastic gallop.

centastic by Katherineeeeeeeeeeeeeeeeee May 22, 2016

Ratastic 

When something is cool or amazing followed up by a image of the Seth McFarland mouse from sing

That’s pretty Ratastic *sends image of Seth McFarland mouse from sing*

Ratastic by Mouse from sing fan September 23, 2023

Jentastic

a sensation one feels in the presence of a beautiful smart girl that is named Jen. The feeling is one of numbness and awe.

John gets a jentastic sensation everytime this one girl named Jen is nearby.

Jentastic by John Duckworth May 18, 2008

Retarticle 

Describing something that is rhetorically retarded

Boss: do secretaries do laundry too?
Secretary: some secretaries don't even do their OWN laundry, so dont ask retarticle questions!
Boss: do u mean retarded or rhetorical?
Secretary: combination of both

Retarticle by Chendawg522 January 5, 2008

radtastic 

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

radtastic by sctso April 28, 2003

Radtastic 

(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.

Radtastic by Bradley Darren Davidson November 14, 2006