A nickname for the biggest whore one knows. Just like Tyrannosaurus rex means "King of the terrible lizards", Skankasaurus rex means "Queen of the skanky-ass sluts".
Guy 1: Dude, I think I can get an easy fuck from Tanya at the party...
Guy 2: Man, for your own good, stay away from her infested ass! She's such a Skankasaurus rex!
A prehistoric beast known to have survived the great extinction by fucking everything such as trees, T - rex's, rabid cows, feral cats, and your friend named john. Known to swallow whole bananas in time of great hunger. Does not breathe air. Usually is a bitch.
The state in which a person, commonly a woman, exhibits extreme and uncontrolable slutty behavior, has a generally unpleasant demeanor, and/or who never shuts their mouth.
After I found out what Jess did after the party with that guy, and then bitched at her friend for doing the same with another young man, I have come to the conclusion that she is a skankasaurus.
n. a peculiar melange of the words skank and tyrannosaurus, implying that the recipient of the comment is, as tyrannosaurus was the entitled the "tyrant lizard", the king/queen of all skanks.
"Latoiya is such a skankosaurus. It was bad enough that the biotch had to sleep with my boo, but now my grandpa! I hope that slut gets herpes!"
(n) An ignorant, misinformed female who throws herself at unattainable men, violating trust & confidence. Often known as skank, whore, slut isn't totally unattractive but definitely not "A" game often over or under processed we'd like to call them "bottom feeders" they usually take the left overs. WOOF