When one individual posts a screenshot to show something on their web browser and someone begins to look at what tabs they have open.
I was just showing Demitri what I was buying on amazon and because he was tab peeking he saw that I had pornhub open!
by yumspoiledmilk February 26, 2019
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A euphemistic expression regarding the extreme urgency to defecate and holding it in as much in as possible. Having the pressure of a fecal turd poking itself partially out of the bum hole while trying to make it to the closest restroom.
Roger sprinted down the hall from his desk to the restroom. He has a turtle peeking.
by Eaton Holgoode March 20, 2017
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when a person walks into a public restroom looking for an empty stall; they peer through the crack of the stall looking for and empty toilet. The awkward embarrassing eye contact that the person inside and outside the stall make with each other is called peek-a-poo.
I was kind of embarrassed when I got peek-a-pood by a stranger in the public bathroom earlier today.
by jc bro April 17, 2011
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It's a common callout when gaming, typically used in Rainbow Six Siege or CSGO. When you call this out, it's because you know that your teammates shouldn't peek. They always do, because that's the law.
You: Bro don't peek don't peek they're holding that angle
Your teammate: *peeks and fucking dies*
by Spoom1901 June 14, 2020
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A peek-A-poop, a poop that starts to come out but then quickly retracts leaving you disappointed.
"Dude, I had three peek-A-poops today and I'm starting to get mad."
by PikachuIseeYou June 14, 2013
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Most commonly seen in Rainbow Six Seige, spawn peeking is when the defensive side breaks a window to get an early kill in the game. It is looked down upon and hated within the community.

Spawn peeking is mostly done by Jäger, Bandit , Pulse, Doc or Rook. Any Defender can do this cheap and toxic way to play, but it is more common with those defenders.
Zofia: What the fuck man, these spawn peeking nerds!
Ash: omfg r u serious man? Fuck casual lmaoo
Jäger: lol gg ez kid git gud nerd.
by Spawn peek April 9, 2018
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The XANTARES PEEK is a way of peeking popularized by the Turkish professional CS:GO player Ismailcan 'XANTARES' Dörtkardeş. A XANTARES PEEK is performed by peeking slightly past the angle your oponent is holding while having close to perfect pre aim. Higher ping and fast reaction times can give the illusion that you just teleported onto their screen.

XANTARES peek is also a popular steam group among CS:GO players. The groups' in-game clan tag "XANTARES PEEK" is a way of chanelling your inner kebab-eating, tea drinking Turkish maniac!
"Hoooly shit! I just XANTARES peeked that guy!"

"Fuck me! I keep getting XANTARES peeked by everyone!"

"I just joined the XANTARES PEEK group."
by eNdwe September 28, 2021
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