Usually a fairly large young teenager who desired to be known as a slut or slag if you will. She is likely to boast and brag about how big (size g-ish) her boobs are and make them public by posting numerous pictures of them in ludicrous poses through bebo. She can usually be found spying on indie/emo boys and asking for their msn addresses. You can also find her situated up town every single weekend for reasons beyond my knowledge. Whorasaurus has a soft spot for any boy with fingers. slut slagwhore whora skank
"Hey look, its whorasaurus"
"I don't do fat chicks"
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.
Whos-a-ma-was-it often substituted when the name for an item or object cannot be remembered, or said item or object is misplaced.
Brooke: “Hey Josh! Are you messin around with my whosamawasit again?”
Josh: “Brooke I haven’t seen your whosamawasit since the chingaderra disappeared”