Top Definition
A person with a humongous ass.

This ass is so big, people jog around it for exercise.
This ass is so big, when you climb on top of it, your ears pop.
This ass is so big, when it sits around the house, it sits AROUND the house!!
Now that is a humong-ass!
She's cute but, what a humong-ass she has.
by M-A-R-K-B October 19, 2009
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