Top Definition
Evolution of what is formerly known as Alyssa.

A dinosaur-like female human being always in a ravenous state of hunger after sandwiches, pita bread & peanut butter, and cheese.

Runs in her free time, runs whenever another person tries to outwalk her.

Says everything twice; stomps her foot on the ground when agitated.

(Seeing a girl run)
Whoa, look at that Alyssasaur go.
by shortdinosaur March 08, 2012
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