1 definition by tehhottlemon

Top Definition
A guy's "magic number" is the number of inches his penis is. IT SHOULD BE MEASURED IN WHOLE INCHES, OR HALF INCH INCREMENTS. No 3/4 shit.
I just found out my boyfriend's magic number! But dude, he was a douche and said 7 and 3/4 inches!
by tehhottlemon November 09, 2005

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