The act of giving a blowjob to a man standing up while giving handjobs to 2 men facing the guy in the middle.
I peroscoped your 3 best friends last night.

Periscoping is the new felching.
by MehMehMehMehMehMehMehMeh April 14, 2010
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Taking a girl's tits, pushing the nipples together close enough to then put the nipples against your eyes and the yelling "THAR SHE BLOWS!"
Damn dude my girl's tits are so big I decided to do some periscoping on them and she found it oddly satisfying
by Nikg12345 May 9, 2020
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the act of walking around an office with cubicles, and peeking over the wall to check out the worker. Usually done by tall male workers who think they are sly.
Effing Dwayne, he spends two hours a day periscoping all the ladies in accounting.
by Johnnie Bee February 2, 2011
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When a guy calls you into the bathroom to bring him something and you walk in on him in the bath, lounging, fully erect. Not touching himself or asking you to join, just wanting you to be in the room.

The head of his penis bobbing up and down like the periscope of a submarine.
Oh my gosh, Mark is such a creep. He asked me to bring him his phone and when I got to the bathroom he was just laying in the tub periscoping.
by Connor Downs December 18, 2015
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The act of Receiving Fellatio while in a swimming pool, when your body is submerged, but your erect penis is sticking out of the water. Giving the appearance that your dick is a periscope.
Person 1: This girl was periscoping me in the pool last night mane.
Person 2: Nigga wats that?
Person 1: You know she was giving me head in the pool, I was underwater but when I put my dick above water that shit looked like a periscope.
by Jon Braun May 3, 2008
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While performing submarining,one takes the legs of one's partner and splays them out at 180 degrees and holds them with the hands in order to get a better thrust and ease penetration of the head.
"So while I was submarining your mom,we spread her out wide and then I was periscoping her properly"
by Gashead26 August 7, 2012
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The act of agressively fisting a female (or a male) into the vagina or anus hole, then rotating your arm inside the victim left and right, like a periscope, then yanking your arm out.
Damn, i had this trick in my room last night, and after my roomies and i gangbanged her asshole, i gave her twat the ol' Periscope! She was fisheyed by morning time!
by xbhotlava July 27, 2006
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