pbrb 

Acronym, stands for push button, receive bacon. A pictorial version is found on many public washroom hand drying devices.

The bacon machine's out of order! I pbrb'd and it just gave me hot air.

pbrb by dewert January 7, 2009

pbrb 

False acronym, indicates that the writer must leave to procure a new beer. Combination of the familiar acronyms PBR and BRB.

This conversation just turned intense, and my beer just turned empty. PBRB.

pbrb by NotAdamTW September 16, 2009

pbrb 

"probability be right back"
used when you think that you will be right back but there is a small chance that you will not be able to

versedaaron:pir pbrb
soccerbabe:k
versedaaron has signed off at 12:15 am

pbrb by versedaaron July 6, 2008

pbrb 

"Peeing, be right back." A bit more information than simply brb or afk. Used in chats and especially in online games where coordination between players is required.

> Are we almost ready to start this boss?
> pbrb
> Ok, make it a 2 min bio break for everyone.

pbrb by Yelof December 13, 2007

pbrbt 

The spelling of the sound of flatulence. (Onomatopoeia)

Can also be spelled "pbrbrbrbt" to describe an extended episode of gastric relief, or "pblblblbt" for gas with a deeper tone.

Punctuation can be added to describe gas with character, like "pbrbt?" or "PBRBT!"

Pronounciation: Place the bottom lip underneath the upper lip and force air through. Effect can also be achieved naturally by consuming various forms of legumes and waiting a few hours.

(PBRBT) .... Oh! Excuse me. I had (PBLBLBT?)...oof... bean burritos for lunch.

pbrbt by alraydo February 8, 2007