Penitentiary term. When you push yo’ dick between yo’ legs and yo’ cellie gives you head from the back so when you bust, you shitbomb his face with ramen gumbo and nacho cheese Summer sausage.
Cellie: Oh Lawd!

Me: Peek-a-Boo!
by Gaysofthunder69 August 2, 2020
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The song by Red Velvet with creepy theme of 5 young girls killing delivery boys
Peek a boo is of song of the girl group Red Slay-vet
by hasopath November 23, 2017
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A term used to describe the action of a webcam model finally spreading their ass cheeks to show their asshole. The model may or may not have been teasing the viewer beforehand. The term is sometimes even uttered by the model themselves while performing the action.

Peek-A-Boo can be performed in a repetitive or in a single smooth motion.
Webcam model: "Okay, you've been a good boy slowly pulls down her panties I suppose you've earned it." model turns around to show their ass to the camera

Webcam model: "Ready?" Places hands on ass cheeks slowly spreads cheeks "Peek-A-Boo."
by Kindred Cold June 8, 2021
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After a long night of drinking a girl and guy go home together and when trying to penetrate he gets whiskey dick and poop, the floppy dick pops out and the woman is most likely upset.
“Girl:Why did you stop
Guy: peek-a-boo
by Swan599 September 9, 2019
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When a guy pops back into your DMs once a year for a booty call. Usually followed by “hey stranger”. May disguise themselves as a ghoster but really he’s just like “......peek-a-boo”. *the contact usually occurs after midnight*
*Friend 1: Remember that guy that ghosted me after we slept together...he just showed up in my DMs a year later saying “hey stranger

*Friend 2: So he didn’t ghost you he’s just peek-a-booing
by Ivana tinkle June 16, 2019
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When the penis slips out of the middle hole in a pair of underwear boxers, either on purpose or accident; most likely when erect or after masturbation
1. When I got tissue after I drained my sack, I put my boxers on and my penis pulled a peek-a-boo.

2. I pulled my boxers on after I took a shit and my penis decided to play peek-a-boo.
by MaverikWillBite July 21, 2010
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