John Slate's definitions
a rule that states that guys can date 3 grades up and 1 grade down during high school. anything lower and he would be considered pedo-ish.
Senior: Hey, whose that girl you were talking to a little while ago?
Junior: Shes a sophomore.
Senior: Crap! three one rule.
Junior: Shes a sophomore.
Senior: Crap! three one rule.
by John Slate May 2, 2009
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