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11.
A contest in which two guys give each other repeated kicks to their nuts.
It is the Challenge of all challenges, and the Supreme test of wills. Real men only need apply.

Rock paper scissors is first held to see who kicks first.

The first competitor to receive the THIRD kick may then call out for the Russian Gas Pedal. However, if his opponent can make it past 60 seconds of intense pain, then he may call for it right back!

Also note exceptions: Professional Roshambo, Third party Roshambo and Standard Roshambo
Tim and me both liked Jenny and really wanted to impress her. Before she came over we silently agreed to place a bet for $100 on a game of Roshambo just to impress her.

After the third kick I called out for The Russian Gas pedal and afetr 45 seconds Tim gave up, whimpering like a little girl. I won the Roshambo contest and brought Jenny out later that night. She was amazed at my tolerance for pain!
by Lex Durden July 24, 2009
 
1.
a game; to kick each other in the balls over an object, last one standing wins.
Hey Pip, i'll roshambo you for that arrow head
by Eric Cartman July 06, 2003
 
2.
(Chinese/Japanese/?) name for Rock-Paper-Scissors
by Michael October 30, 2003
 
3.
1) to kick or punch to the danglers, usu. proceeded by "swollen grapefruits."
2) phonetic French for "rock-paper-scissors." (The 3 friends roshamboed for the bill after wolfing down a humongous lunch at the local diner. The loser promptly paid without protest.
3) a sick game employed to determine possession of a desired object in dispute. The two individuals either punch or kick each other to the clackers until one party either succumbs to the pain and just simply
gives up, or falls to the ground. The individual who remains standing emerges victorious and wins the game and possession of the object sought after.
by weave March 26, 2003
 
4.
A game (usually to solve a dispute) where two men kick eachother in the balls as hard as they can. The first person to give up loses.
"That's my duck." "No, I'ts mine" "Fine, let's play ro-sham-bo"
by Mike September 18, 2003
 
5.
A method of settling disbutes between two parties.
The challenging party has a free kick square on the defending parties balls.
The act is then repeated for the other party until one party falls over. The remaining party standing is the victor.
I'll Ro Shambo you for it.
by L. Suke May 17, 2005
 
6.
The act of two males kicking each other in the balls until one of them gives up.
Let's play ro sham bo!
by Dear John March 16, 2003
 
7.
In modern day United States, Roshambo or Rochambeau is when two or more guys kick, punch, squeeze, or knee each other in the groin to win something (an object, money, bets, etc..) untill one of them gives up or falls down. The last one standing wins. This is a modern American twist on the game.

It is also a very old word of Egyptian origin for the child game "Paper, Sissors, Rock".

In the TV series South Park, Cartman and his friends play the game "I'll Rochambeau you for it", by kicking the opponent in the crotch. The first one to fall over loses the game. This of course means the first person to go is usually the winner. This is a way of choosing, and it's called Rochambeau.
"How about we all throw some money into a pile and see who can win it... ROSHAMBO STYLE!"
by Chris November 05, 2004