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Its a girl that is virtually a girlfriend in every way shape and form, however the title girlfriend is still lacking.
Paul's moving in with his non girlfriend girlfriend.
by The Jolly One. August 03, 2007
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2
A girl that a guy talks to a lot. The girl and guy must also have a common, good understanding of one another. Finally the pair must both be aware of this relationship status. However, nothing can actually be occurring romantically.
Guy 1: Why are you talking to her all the time?

Guy 2: Oh her? She's just my nongirlfriend-girlfriend.

Guy 1: So you're not going to hit that?

Guy 2: Nope.
by ENZO_5 July 31, 2010
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