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2.
same as gunt, fupa etc, the male version. a bulge of fat below the belly above the crotch.

'i hope i never have a dick belly'
by imthahunter April 22, 2006
 
1.
The art of whipping ones genitalia across the stomach of cohort in an act of celebration and/or punishment.
When Bob gets back from London, he anticipates getting a massive "dick belly" from his friends who are celebrating the latest championship.
by Matt Farren June 18, 2008