Top Definition
(Noun) the creature that appears in the humid, semi-tropical region of the female groin during "that" time of the month- leaving a ferociously bleeding vagina after feeding.
Hey Tom, whats wrong with your wife? "Oh hell, she was attacked by the BLEEDOSAURAS REX last night, there was so much blood, I'll probably have to burn the sheets again."
by DMSquared April 25, 2009

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