1. A woman who desires something or someone to the point of absurdity, even when the desired object can't return the affection (see Kat Stacks).
1. Look at that katstacks stalking him!
2. That bitch is Kat Stacking him but she don't know he's banging her sister!
2. That bitch is Kat Stacking him but she don't know he's banging her sister!
by stackingit May 4, 2010
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