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A nickname for Michael Jackson's extremely large penis.

It can be seen in his tight gold pants on the HIStory tour where he also sported a throbbing erection for the entire concert.

The effects of being exposed to Mikezilla can and WILL cause EXTREME mikegasms.
Oooh look at the way Mikezilla is bouncing around in those tight goldpants! Daaaamn it makes me wanna mikegasm !
by MJJIsMyKing April 04, 2011
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