1) a game played by Japanese school children under the age of 12 where they poke their finger(s) in an unsuspecting ass.

2) repeated pings or probes by hackers on the Internet seeking unauthorized access to a computer.
1) "I just saw an American exchange school teacher jump 3 feet in the air when some Japanese school boy kancho'd him."

2) "I installed a firewall on the Internet connection. I'm tired of having every hacker kancho'ing me."
by Dibabear August 10, 2005
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A popular game played among Japanese schoolchildren that involves the invasion of personal space. One child puts his/her hands in a double hand probe formation and scouts out the right time to strike a fellow classmate. Once ready the child brings their hands back and thrusts it up their anal/chode area. Yes, girls and boys included. The objective is to push the person upwards or inflict pain in the general region. This does not cause any injury whatsoever.
boy 1: look girl 1 is bending over to pick up her pencil!
boy 2: wanna go Kancho her?
*boy 1 and boy 2 look at eachother*
boy 1: Me frist!
boy 2: no me!
*both end up on the ground*
boy 1 and boy 2: AYYYYYYYY!!!1
*girl 1 smiles at them and walks away*
by Fesho January 19, 2017
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From the Japanese slang term meaning "butt poke".

1)an illegal strike (fingers in the ass) in used occasionally during pro-wrestling matches... normally resulting in the perpetrator getting beaten to a pulp.

2)getting truly fucked, bent and/or violated by life in general.
1)Chris Benoit had the Crossface locked on and The Rock was going nowhere... He had no choice but to use his free hand to nail a quick kancho, then get the fuck outta Dodge!

2)"She left you, took the kids, dog AND all your shit?! Hard kancho, dude."
by Lambda Mu Grizzly December 25, 2004
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Everyone who loves Japan should play this game!
by woogy April 22, 2005
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A prank played by Japanese schoolchildren where they put their palms together and stick their index fingers out, forming an imaginary gun. They sneak up behind someone and shove it in their ass. While doing it they shout "Kan - CHO!!!!"
Kancho should never be done with girls.
by Truckload of Swag December 26, 2016
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The act of being done a Japanese prank
performed by clasping the hands together in
the shape of an imaginary gun and attempting
to poke an unsuspecting victim's anus , often
while exclaiming "Kan-CHO!".
Dude! You just got Kanchoed!!
by paty254 March 12, 2017
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What happens when you go to areas where Japanese children hang out. The children, usually no older than twelve, get in a postion behind you and penitrate you anus with their finger.

It also seems to be taking a hit on America and England.
"Haha! We just kanchoed you!!!"

"Haha! We just kanchoed you, in American."
by Chi and Alchemist Zeal June 5, 2005
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