Any reference to rock, paper, scissor (RPS) should
be “one-two-three”, or ein-zwei-drei. I have
also used “un-deux-trois” for the game which
is also accurate. Urban dictionary (UD) is wrong
and I’m guessing this is an invented or misapplied
name like Kwanza. MO
UD wrongly assumes historical nomenclature began at
the first episode of South Park.
From my point of view, Rochambeau is a more accurate
description of a “nut kicker”.
I just link what I find on the Internets. Wikipedia supports the Rochambeau nomenclature, but they are user-edited as well.
Here's a blogger, Phil Price, on Rochambeau around the world.
Apparently there is an iPhone Rochambeau application.
Finally, here is the web site of the World RPS Society, which sponsors an RPS [Rock Paper Scissors] World Championship tournament and has piles of information, books for sale and FAQs. I looked around but couldn't find a list of alternate names for the game. You may have better luck than I did... around our neighborhood, we just called it Rock Paper Scissors. The site claims it is the most widely-played game in the world. Seems possible...