Top Definition
A person who is not attractive, not nice, not cool. The worst insult you can get. Pretty much a person you want to avoid. Can also be shortened to aba.
*pokes*
"WTF YOUR SUCH AN ABASTASIA"

":O:O:O. omg your so mean."

"IM SO SORRY. that was really mean"

"i dont think we can be friends"

"i understand"
by jaybaaa July 28, 2009
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