The act of using the abdominal muscles to roll the belly in a wave-like motion from top to bottom or bottom to top.
Shakira likes the belly roll!

Dude, that drunk guy at the party was doing the belly roll all night.
by shakira boy March 25, 2009
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A protruding ring of fat that encircles the area between the chest and the waist of certain fat people. A beer belly, by contrast, only extends forward from the fat person's stomach.

May be the result of eating too many jelly rolls.
"Whoa, get a load of that fat chick."
"Ugh, that's the worst kind of fat. I can't even distinguish her boobs from her belly roll."
"Uh-oh, and there she goes, into the bakery. Such a tragic existence."
by Mr. Cassidy Pace Rush August 25, 2008
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