Top Definition
A scientific law formulated by Sir Isaac Newton telling the likelyhood of a female having sexual relations with a male, as expressed in the equation:

100{2*lM(d^2)l/(v-S)}/G

where:
M= Muscle definition
d= douchebagness
v= Moral Values
S= slut value
G=Girl's hotness
Jon: Do you think Ashley will fuck Michael tonight?
Matt: No, he's not enough of a douchebag, so it does not satisfy Newton's 69th Law.
by ChemistryCalvin April 23, 2010

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