Belch

[Jason Yan]

A deep, earth-shaking explosion from the stomach through the mouth. The ultimate expression of manhood -- girls secretly dig it.

[Dave Paprocki]

what happens when you eat ice cream and drink a beer. tastes good, smells better. usually a loud sound created by pressurized gas escaping through the asophagus creating a melodic sound.

[Luis Fok]

Belch or Belching is a common greeting used on SGM.SERVEGAME.ORG where it was first concieved by Lukenadewalker by combining beer with crisps.
The loudness of the belch indicates pleased you are to meet the other person.

[Britney]

To expel smoke from machinery, or to burp very loudly.

[Becky]

Often used as a synonym for burp. A belch, however, is an obscenely loud, thunderous, and often foul-smelling burp.

[Hina Muqadas]

The National Aussie Anthem

[PussyCat]

Farting out of your mouth.

[Dianne]

[Raeanne Dimick]

Emit wind noisily from the stomach through the mouth.

[Cami]

to allow air from the stomach to come out noisily through the mouth:

[Justin Bieber]

Emit gas noisily from the stomach through the mouth.