bum burp 

(n) A fart.

He released a bum burp immediately after consuming the beans.

bum burp by keyshaw June 4, 2004

bumburp 

An audible emission of methane from the anal sphincter of an infant.

After breast-feeding, it's important to burp your baby. Also, they will probably bumburp.

bumburp by Bostonyian February 23, 2008

Bumburp 

A slang and logical synonym word meaning 'fart.' Can be used as a verb 'bumburped.'

Do you see the bubbles near Jimmy in the pool? He must have bumburped.

Bumburp by Mindalay May 17, 2008