A guy in a porn film that just hops into a scene to drop a load & then jet.
When there's a guy in the background of a porn flick that is beating off in the shadows and his only reason for being there is to enter the main scene & drop his "product" on the girls jaw line. When that's done he vanishes. Sometimes you may ask yourself, "Where did he come from!? And why!? That was a peek-a-boo popshot if I've ever seen one!"
by Furtherconspiracies February 5, 2010
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When you take a huge shit, flush, and just when you think the turd has been evacuated, it pokes it's head back into the toilet bowl.
Thomas: Oh you *****

Brett: What?

Thomas:
I just had to plunge your peek-a-boo poo

Brett: Haha I didn't know it came back up!
by J. Masse April 26, 2009
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I was makin sex with my girlfriend when I pulled out and cummed on her stuffed paddington bear. Hence, Peek a boo paddington!
by LeRenardS13 March 7, 2008
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n: when one's penis reverts into the pubic region via shrinkage, thus creating a peek-a-boo effect, whereas the penis becomes concealed one moment and visible the next; usually occurs in the event of a cold submersion, the presence of fat bitches, FUPA(S), and/or nauseating wenches.
Joe didn't want to go skinny dipping, because he was afraid of exposing his peek-a-boo cat.
by TWCstuntin July 28, 2010
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When a Sweet Ass decides to sneak a peek at his boyfriend's package while he is in the shower.
Sweet Ass opened the shower curtain for a Peekskill Peek-A-Boo.

by DuRagHater March 26, 2009
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Classic scam mastered by Frank Gallagher from Shameless. Involves jumping out in front of a moving car as your partner distracts them, then shaking them down for cash. Also the slang term for the surprise Trump got when several respected diplomats jumped out and testified against him regarding his extortion campaign in Ukraine.
Definition 1:

Frank: Bro, I'm short on cash. Let's do a Ukrainian peek-a-boo!
Frank's creepy friend: Nah, man, people don't carry cash anymore; it's not worth it.

Definition 2:

Rob: Dude, did you see what happened with Trump!?
Tom: Yeah man, he got a serious Ukrainian peek-a-boo!
by Notdevinnunes November 25, 2019
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The state of being where you do not feel well but are not yet sick and experience sporadic temporary symptoms that do not lead to any particular clinical diagnosis.

A sudden pinch in your back, itchy/ ringing ear, foul taste in your mouth, eye strain/ watering, stomach ache, headache, sore throat, congestion, sneezing/ coughing fit, etc which unpredictably quickly appear and then disappear are some examples of the Chronic Peek-A-Boos.
I'm hot... I'm cold... my stomach hurts then it doesn't.... I've got the Chronic Peek-A-Boos.

"I don't know what's wrong with me... I feel fine then I get hit with something but before I can do anything about it, I feel fine again." "Yeah, you've got yourself a chronic case of the Peek-A-Boos.
by neoflux December 17, 2010
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