A girl who is a little promiscuous or skanky that also is fiesty like a dinosaur.

She goes around sleeping with random guys and her orgasm screams consist of "RAWR RAAWWWWWWR" If the sex is really good she may even nibble on you a little and bight you so dont make any sudden movements.
Juan: Damn essay, last night Anna turned out to be a Whorasaurus sex!

Juanito: How so?

Juan: She bit a chunk of my nipple off and the grouled at me.
Por slimdaddy 15 de marzo de 2009

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