Asstastic

"You really did an asstastic job there, Billy"

by Anonymous September 30, 2003

asstastic

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

by hallelujiah March 16, 2010

by Anonymous L-Value October 11, 2002

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 19, 2005

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

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!

by andrew January 12, 2003

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

by onedudeman July 16, 2006