2
A carnivorous prehistoric creature that primarily fed on the smaller penisaurus.

A sore on the vagina.
A. The vaginasaur was a fierce carnivore that lived during the jurrassic period.

B. Man, that bitch had a vaginasaur.
by robistotle October 02, 2009
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5
An old broad, generally dressed up.
Check out that scraggly old vaginasaur over by the bar. I bet Ed Greco would do her!
by Roberto Costapoopoo March 31, 2003
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6
a dinosaur which resides within a woman's vagina
The Vaginasaur is usually a mild-mannered creature.
by sn January 14, 2005
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7
Noun, Synonym for cougar an older women flirting with younger men or just generally doing things she is to old for.
Gross, that vaginasaur's middrift is showing off her C-section scar.
by Queeseso August 24, 2010
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