asstastic

something that is fantastic (usually referring towards the buttox area).

That game was asstastic; damn cheaters.

Asstastic

A modified form of "fantastic" that injects the word "ass" to reverse the meaning. Asstastic refers to something that sucks or is of poor quality.

Davo: That pizza was asstastic!
Luis: Yeah, holmes, it tasted like bum!

A word used to describe a girl with such a breathtaking, beautiful booty that it becomes that girls defining factor.

That girl is asstastic bro.

Asstastic by Dr fantastic September 11, 2014

a combination of ass and fantastic. for when fantastic just doesn't cut it.

Damn that '63 Fender Strat is asstastic!

asstastic by andrew January 12, 2003

This girl was so asstastic she was worthy of a tossed salad

"Wow, you are really being asstastic today!"