a drink that most fat people drink after a big meal and think it will help them lose weight and the drink tastes like crud yet many people like it and it was proven quite a while ago that if you drink to much it slowly dissolves brain cells though for some reason diet comes in more flavors than regular pepsi.
by phynomonouse January 28, 2009
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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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A blue cola drink specifically produced for those who actually enjoy and have become dependent on it. The rare individual who enjoys the drink is usually thought of as a maniac.
by OmniZell June 13, 2003
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Get the pepsi mug.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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