1. A person who nabs balls, contrary to the fact that nab means to steal, therefore, a person who steals balls.

2. A male and/or female who accidentally breathes in a male's testicles during a 69.
1. Dude, you're a ballnabber, those were my balls!

2. Hey man, that girl is a total ballnabber, my testicles hurt
by Nick&E July 8, 2010
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