Top definition
A big dirty monster skankface hoe; a prostitute. Derived from the song "Coochie Shorts."
Random guy 1: Man, that Coochiesaurus-Rex was at your house last night.

Random guy 2: That wasn't a Coochiesaurus-Rex that was my sister!!

Random guy 2's sister: Well you didn't say I was a Coochiesaurus-Rex last night!

Random guy 1: Oh snap! That was you?!?
by AJ369 May 01, 2009
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