1.
A small man or a man with a small "Mc"penis.
Beau's penis was sooo small that he couldn't please a woman. He was said to have Mcminn, a rare disease. It originates from the "Mc" in McDonalds small sandwiches. And the "minn" use to be "man." Hence a small man.
by David Benemer August 22, 2006

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