Verb- The Shelly-Lexi is a simple sexual activity. There are two participants. The first inserts his or her left fist into his or her own anus. The other participant carefully inserts both of his or her fists. The participant with both fists in the anal cavity is known to propose marriage in this position and put the ring on the finger. This is how you know when it's true love.
Dude 1: "How are you going to propose? Beach, fancy dinner, what man?"

Dude 2: "I don't know man, I was thinking The Shelly-Lexi"

Dude 1: "Wow you must really love her"
by lexiNshelly September 11, 2011
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The most famous twins from the 1800's. Carrie is shorter because of too much coffee; Shelly died her hair black.
Shelly and Carrie kick ass.
by boobcannon April 10, 2010
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When you piss in a garbage bag and fill it with five pounds of feces and smack someone in the face with it.
I gave your mother a hot shelly last night
by Paul Shipley December 02, 2004
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a cocktail consisting of mixing an alcoholic seltzer with vodka.
Trina blacked out last night after drinking dirty shellys all day
by OTPHJ123 April 17, 2020
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Awesome mother, friend and girl friend. Very trustworthy honest and good in bed. They are the best people and they have a hidden crazy side in a great way.
by Iamaass November 16, 2016
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A milf porn star who has had over 300 porn videos. She like to take it up the butt especially from a black guy.
Wow your mom is such a shelly cohen. That sucks hahaha.
by snake693 October 07, 2010
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