A television show / movie you’ve seen enough times that you know the plot by heart and it no longer requires active attention to follow, so you watch it while you’re completing other quiet activities, to fill the room with some kind of noise.
Friend: Hey, I thought we were going to study, why is Friends/Seinfield/The Office/Parks and Rec on?
You: I’m not watching it, it’s just background noise, let’s study!
You: I’m not watching it, it’s just background noise, let’s study!
by InspectorVega June 26, 2019

by AyooooRandomShitCheck October 28, 2021

Another way of saying “all those good things you want to hear” while chatting or another way of saying “etc.”
We will be allocating funds to stop global warming which will help with deforestation, pollution and all that good noise.
by Sharkbait456 March 21, 2022

"When clipping. and I visited the Sub Pop offices for the first time, they showed us their wall of platinum and gold records. William Hutson responded 'Once I put out a tape and sold 100 copies in a week, that's called going noise platinum' and only the clipping guys and I laughed." - @deathbombarc on twitter
by BiggerDinosaurus February 6, 2019

The background noise that occurs when one is talking on the phone while riding the Bay Area Rapid Transit system.
by nominalstate October 5, 2012

Reasonably obscure punk band from Minnesota during the mid-eighties. Not skinhead, despite the name. They were just white and noisy, plain and simple.
by Anonymus Bosch July 14, 2006

Slurp is the sound you make in an awkward situation, to break tension. Slurp is also used to piss people off.*SLURP* < make the noise.
Slurp noise:
Person1: Yo man, i did'nt get any sleep last night, my sister was slamming the door!
Person2: *SLURP*
Person1: Yo man, i did'nt get any sleep last night, my sister was slamming the door!
Person2: *SLURP*
by Bambi7 January 6, 2010
