Background Guy 

the random guy/girl in the background of a pic who is the center of attention

Roslyn: Check out that Background Guy behind the reporter!

Jay: hahahaha!!! He's streaking!

Background Guy by hidinginyourpic November 2, 2010

background props 

also BGP; placing oneself in the background of another person's picture (could be stranger or a friend), usually striking some strange pose or making some other gesture, unbeknownst to the subjects or the photographer

Who is that guy getting his BGPs in all of my pictures?

background props by Your mom January 17, 2005

background guy 

the guy or girl who purposely ruins pictures by appearing in the background making faces and gestures.

Who is that background guy ruining our pic?

I dont know but he sure is funny

background guy by backgroundguy March 5, 2010

Background bro 

A bro that is always at a party but never seems to get in on drinking games or other party activities. He can be seen casually sipping at his beer whilst chilling from a distance or adding the occasional chuckle and/or witty comment. They are very rarely seen alone, usually in groups of 2 or 3 so as to seem like they are having fun. Can also be abbreviated to BGB.

Yeah guys I'm out this time, I'll just background bro it.

Yo get in on this kegstand, don't be such a background bro!

Background bro by Ginosnipe16 January 31, 2010

background character 

A random person that you haven't interacted with and don't plan on interacting with.

If you start to interact with a background character they can become a side character.

M1-I was in the mall the otherday and all the background characters were wearing these weird hats
F2-oh you mean the new dadhat? Yeah I've been seeing everybody wearing them too

background character by James jamesly January 15, 2020

background noise

Released every Friday, Background Noise is a talk radio show located in Halifax, Nova Scotia and consisting of Luke James - a writer, Derrek Ord and Devin Deuville - 2 film makers and Jon Sangster - a computer programmer. Recorded at 6:00pm EST on Thursday night, Background Noise also streams video of the recording live on uStream. During the live broadcast, the stream and chat will be available at backgroundnoise.ca

Background Noise: we talk about interesting things and make them gross.

background noise by coolkrushicekilla April 10, 2010

Background Gaming 

Background Gaming is when a gamer is playing a game and someone else is instructing the person playing on what to do and how to play.

She was playing the game and her friend kept on background gaming her on how to beat the level.

Background Gaming by Adamo12 January 19, 2011