1 definition by InfoKid
Super hot girlfriend that's out to stab your back but for some reason keeps on kissing you and telling you she will never leave.
Names chosen randomly
Mark: My girlfriend just cheated on me.
Dave: That sucks. With who?
Mark: With my cousin.
Dave: Why? She hates your cousin!
Mark: She was pushing for that new job downtown in the corner office for me.
Dave: What's the problem then?
Mark: She's interested in the man my boss will be.
Dave: She's a real Girlfrienemy isn't she Mark?
Mark: My girlfriend just cheated on me.
Dave: That sucks. With who?
Mark: With my cousin.
Dave: Why? She hates your cousin!
Mark: She was pushing for that new job downtown in the corner office for me.
Dave: What's the problem then?
Mark: She's interested in the man my boss will be.
Dave: She's a real Girlfrienemy isn't she Mark?
by InfoKid December 2, 2012