2 definitions by Melissa Tasca

The largest number possible.
"She got wasted last night."
"Yeah, she had a KAJABILLION drinks."
by Melissa Tasca July 14, 2003
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Fantastic.

Originally applied to rat-tails, and how good they look.

Can also be used to describe situations or things that are good.
As applied to hair:
"Hey guys, how does my hair look?"
"Rat-tastic!"

As applied to a situation:
"Wow, that traveling carnival was rat-tastic!"
by Melissa Tasca July 14, 2003
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