Definitions by Shawn Nanette

Bing Bong 

An exclamatory response to any ridiculous, ludicrous, irritating, idiotic, or obvious spoken word, action, event, or state of being. Often used in conjunction with "hello, sir."

Jenn: That girl is a total dyko (see: "dyko" on urbandictionary.com)
Shawn: Uh, hello sir, BING BONG.

Bing Bong by Shawn Nanette November 3, 2005