belly bonding

A completely platonic act of intimacy in which one party (possessing an outty belly button) connects with another party (possessing an inny belly button) by inserting or “bonding" the corresponding body parts like matching puzzle pieces

Jeff: yo dude I totally bonded with my gf last night
Brian:how far'd you get
Jeff: belly bonding
Brian: Holy fucking shit

Belly bopped

To curb stomp a baby within the womb

I belly bopped that bitch

Clark Belly

One's stomach that protrudes to a great distance, far exceeding that of a "beer belly"

Dude why do you have such a clark belly.

belly crust

the crust formed inside the stomach when mold inside of your stomach reacts with your stomach fluids. scientifically known as belingus crustacean

jimmy "hey, did you hear mark got belly crust?"
timmy "omg.... thats so sad, i hope he recovers"

Oregon Belly

When ratchet girls touch their pregnant stomachs and take a selfie and you can see how gross the bedroom is behind you

Damn did you see Cayla's Oregon belly selfie she posted yesterday?

Saddle Belly

A saddle commonly worn on the belly

"You ain't even missing me baby when I needed my Saddle Belly"

Belly Dap

It's like giving someone daps, but with your belly or chest.

"You've been taking 5htp?! *belly dap*"