Top Definition
An almost foolproof method to calculate the size of someone's penis without actually taking a ruler and measuring it.

height in inches (i.e. 70 instead of 5'10") divided by the age you started puberty.

blacks and italians can add between 1/2 and 3/4 inch, while asians can subtract between 3/4 and an inch.

so far, its been close, if not exactly on par with everyone tested.
The Penis Size Calculator is 90-100% accurate.
by kfjwhsfiuhfww March 17, 2008

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