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The exact opposite of a micropenis.

The length must be at least 9 inches long and the girth must be at least 6 inches around.

A blessing from God only bestowed upon the best.
Girl 1: He bent me over and attempted to fit his megapenis into my tight pussy!
Girl 2: I hear it's like a Costco hotdog.
by Tom691738 June 14, 2018
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A person who loves to play within they’re dick all the time and wont stop for a second
Man your such a mega penis your jacking it right now
by Hentiatits February 23, 2018
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