When a woman has an overly large clit, resembling almost that of a mircopenis.
ya I know she was totally hot dude, but she had one hell of a Clitasaurus-Rex hiding down thier that almost out measured my own.
by Matthew St.Germain April 25, 2007
A dinosaur that hides in bushes, and is really hard to find.
"For years and years I searched for it. Now I have finally found the Clitasaurus Rex."
by dgbrown May 06, 2009