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A girl who is not your girlfriend but offers the same benefits. Much like 7Up, you like it... it likes you! A title for those guys who are afraid of commitment. A little like a fuck buddy, but one step up, maybe a bit of like/love. Did I say love?
Me and my un girlfriend are into non committal sexual realtionship, then we usually eat.
by d0c July 23, 2006
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The kind of girl that you have an open relationship or little relationship with. Like dating casualy, but not going steady.
Yeah, I guess since we never decided to go steady she's my ungirlfriend.
by Puchiko August 27, 2005
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