naval cleavage

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!

Navalate

To do awesome on something

Are you going to navalate that test coming up soon?

Navaled

The act of holding a hit of marijuana in the lungs until there is no smoke present when exhaled.

I Navaled it so that the room would not smell of smoke.