Top definition
is a theory that no matter how hot or sexy your current piece of ass is, the girl you haven't slept with yet is more desirable
you are currently in a relationship with a 9.2.
but you really wanna bang the 6.7 with the crooked teeth at the end of the bar.
The law of new skin says that you will sleep with the 6.7
by theflyingdutchman March 05, 2014
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