Top Definition
1. Extremely bad; abominable
2. Extremely evil or cruel
1. The party-goers were completely out of control and left behind an asstastic mess.

2. "That asstastic whore just dumped me for my brother!"
by Trendon August 23, 2005
Definition 1: A complimentary statement of one's posterior.
Synonym: Bootylicious

Definition 2: A durogatory comment regarding someone who excels at being a fantastic asshole.
Synonym: Colossus Assholus
Example 1: "Gee, these pants make my rear end look asstastic!!"

Example 2: "My ex was asstastic, he left me destitute."
by Maven April 15, 2004
1. When talking about a person, it's a good term, meaning they are attractive in the ass department.

2. When used in a situation, this means you are not satisfied with the outcome.
1. Damn, Jennifer Aniston is asstastic!
2. I'm going to the dentist today, this shit's asstastic.
by i look like hell August 17, 2009
Asstastic is a combination of "Ass" and "Fantastic." Was created as a satire of all words that ironically mean "excellent," such as cool, wicked, tight, gnarly and sick.
"I just saw Sin City! It was Asstastic!"
by Heather M. May 06, 2005
The opposite of fantastic.
"You really did an asstastic job there, Billy"
by Anonymous September 30, 2003
an ass that's better than an ass
whoa, that ass, is asstastic!

dude what's that mean?

It means that's not a normal ass! ITS BETTER
by kelsxoxogiggles November 12, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.