Asstastic

The opposite of fantastic.

"You really did an asstastic job there, Billy"

by Anonymous September 30, 2003

asstastic

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

That girl is lookin' asstastic today!

by hallelujiah March 22, 2010

asstastic

Lame; weak; inferior.

That game was asstastic; damn cheaters.

by Anonymous L-Value October 11, 2002

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!

by HugeBreasticle March 18, 2005

Asstastic

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.

by Dr fantastic September 11, 2014

asstastic

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

Damn that '63 Fender Strat is asstastic!

by andrew January 12, 2003

asstastic

A fine fine looking ass

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

by onedudeman July 16, 2006