Top Definition
a really really really big penis 10 inch +
i have a huge monster dick
by Nneverland July 24, 2008
A penis usually referring to a black male. Monsters are over 14 inches at the least.
Jill: Wow, look at that MONSTER DICK!
Tiffany: Wow!
by Press To Talk January 01, 2010
When you drink so many monsters, or other energy drinks that it stunts the groth of your penis, resulting in a tiny, baby sized dick.
girl 1: That guy drinks soo many Monsters
girl 2: He's going to have a nasty case of monster dick
girl 1: Totaly.
by rumblydawg July 10, 2009
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