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.

by Bradley Darren Davidson November 14, 2006

Raytastic

A Name for something fantastic, said by a small Youtuber named RaymanFP12

That was a Raytastic intro!

by Zaikiel Lime August 9, 2018

Ragetastic

A event, person, or thing that is so anger or makes people angry, it's fantastic.

I had finally caught 139 Pokemon, and then someone erased my game. It was ragetastic

by LLMARSUPIAL May 7, 2011

ranktastic

a person or object that is extremely minging or disgusting i.e fantastically rank.

Wow your face is ranktastic

by nowthenchico November 14, 2006

Rumtastic

When you’re having fire ass rum.

“Yo Ashley this Captain Morgan is rumtastic!”

by Sagé March 22, 2019

Rat-tastic

Fantastic.

Originally applied to rat-tails, and how good they look.

Can also be used to describe situations or things that are good.

As applied to hair:
"Hey guys, how does my hair look?"
"Rat-tastic!"

As applied to a situation:
"Wow, that traveling carnival was rat-tastic!"

by Melissa Tasca July 14, 2003

Mattastic

Adj. (mat-TAS-tik) The state of being more than generally fantastic, and much better than great. Rather like wonderfull, with a green tint and earthy smell about the person or object.

A few minutes after waking up, Robb felt pretty mattastic."

by Robbisms October 26, 2010