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4.
To describe the size of my dick.Which is huge.
My dick is Hugemongous
by Nicktothescrip April 30, 2009
 
1.
Used to describe something really fucking big.
Godzilla is hugemongous
by bbbigbossbb November 23, 2005
 
2.

Larger than humongous

That ice cream sundae is hugemongous!
by solid gold easy action January 04, 2003
 
3.
Very, very big, as in big squared.
Etymology: A mix between huge and humongous.
The Hummer H2 is a hugemongous car
by GameboyRMH December 12, 2004