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

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.