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Rolls of fat that are exposed when a fat girl wears a belly shirt and it is mashed up to look like cleavage, much like a fuva
Tim: Aw man look at that girl with the muffin top.
Jeff: Damn that is some naval cleavage!
by joshlong June 24, 2009

Words related to naval cleavage

fuva belly boob cleavage muffin top naval