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Pronounced: Vaj-Einstein.

A guy who is a genius with regards to female sexual anatomy.
I started dating Billy because Laura said he was a real vagEinstein. Turns out he's just 'OK' in the sack.
by M. A. S. February 26, 2008
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(vuh-jine-stine) one smart ass cunt.
It is always entertaining to watch when some VAGEINSTEIN runnin' off @ the mouth cant remember 'righty tighty-lefty loosey' when shes adjusting them big ass bolts in her chicken neck!
by DiGiTaLnDiZkO February 03, 2015
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