Rumtastic 

When you’re having fire ass rum.

“Yo Ashley this Captain Morgan is rumtastic!”

Rumtastic by Sagé March 22, 2019

rumtastic 

Better than amazing THE ABSOLUTE BEST POSSIBLE THING. It's like fantastic combined with rum and who doesn't love rum

My mom made up the word Rumtastic and got it tattooed ... DUDE THATS SO RUMTASTIC

rumtastic by Bo$$BITCH1313 June 5, 2017

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

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

Cumtastic 

so amazingly overwhelming, that it is orgasmic.

Oh my god this is soooooo cumtastic!!!!!!

Cumtastic by ME!! February 22, 2005

Bumtastic

His bum was fantastic.

His bum was fantastic. Wait...bumtastic!!

Bumtastic by HerbieFullyLoaded December 17, 2013