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1.
Before there was rock-paper-scissors, there was Jan-ken-pon, which basically means the same thing.
Players call out the name of the game till someone calls "Aiko desho!"
by Allaiyah January 15, 2004

Words related to Jan-ken-pon

atomic bomb game junk-an-a-po monk rock-paper-scissors
 
2.
Rock-paper-scissors game, usually pronounced "junk an' a po".
When playing jan-ken-pon: "Junk an' a PO! (show hand sign) I canna' SHOW! (show hand sign)" Or the long version "Junk an' a monk an' a socka socka PO! (show hand sign) Wailupe, Wailupe, bang bang JOE! (show hand sign)" No fair atomic bombs!
by boo December 28, 2005