Used to refer to a member of the opposite sex with whom you are sexually involved with, but you don't want the general population to know about him/her because you aren't exclusive with this individual. Also commonly referred to as a V.I.E. Typically used when the certain individual is too stupid to realize they are just being used for sex.
John: "Why didn't you bring Lauren to the office Christmas party?"

Ben: "Because she is the my V.I.E. Shhhh...before someone hears you! I am trying get with the new girl tonight."

John: "Your what?"

Ben: "Variable interest entity; we have sex occasionally but we aren't exclusive. Nor is she marriage material."
by nosemaj September 11, 2008
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