Noun: a manner of shaking hands peculiar to ancient Rome, in which the parties grasp each others right wrist.
"The Roman handshake was the accepted practice of greeting among gentlemen in the Western world from the beginning of the 1st century BC until the end of the 5th century AD."
by speedog April 30, 2010
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When a man shoves their arm into another man's ass and grabs their prostate.
Dan kept asking me if I wanted a roman handshake.

That's gross.
by WhoWillSurviveInAmerica March 29, 2011
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A sexual term used for Doggy Style sex. It occurs when the man and woman grab each other by the forearms during doggy style intercourse.
The Roman Handshake: The woman's arms are raised behind her body, and the man grabs on to her forearms for stabilty and positioning during doggy style sex.
by D.Roberts April 1, 2006
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A custom during the reign of Caligula as Roman Emperor. When meeting a friend, whoever was ranked lower had to bend over and the higher ranked would fist-bump the end of the other person's larger intestine (colon). Very popular among the higher ranks.

Popular today among young men and fans of the movie Caligula
Gaius: Hey Longinus
Longinus: Oh... hey
Gaius: You know the drill, bend over.
Longinus: Do I have to?
Gaius: What?? You are refusing to shake the hand of your superior???
Longinus: No....
....
Gaius: There, was that so hard?
Longinus: : |
Gaius: Well, you know thats how we Romans shake hands. A "Roman Handshake" if you will
by CircleGuy February 7, 2011
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A Greco Roman handshake occurs when a man fucks another man in the ass in lieu of shaking hands. It comes from the liberal homosexual practice of anal coitus monintus or greeting by buttfuck common in Ancient Greece and elsewhere in the Mediterranean.
Plato good to see you by gods, will you please come out of your cave and let me give you a Greco Roman handshake! Bend over my good boy!”
by Nerdboy1982! December 23, 2020
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