The act saying no, then slapping the knuckle side of your left hand, with the palm of your right hand. It's a sign that really expresses how wrong the other person is in a conversation, or any other way that "no" needs to be heavily expressed. Can also be used instead of saying, "no, never again". Can be expressed as an acromyn over chat, with "sh, no" or just "sh".
Tom: Lets go watch Zoombafoo!
Andrey: No, -slap hands-.
by Andrey T. January 08, 2007

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Top Definition
A term from the movie The Waterboy when Bobby Boucher gives or asks for a high five

Also can be used when you give or ask for a high five

*note* when said must be said with a hard lisp
*Guy 1* Hey! SLAP HANDS! *puts up hand for high five*

*Guy 2* SLAP HANDS! *high fives hand*
by Soberburnout July 27, 2009

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the hand you use to jerk off with
Shane put his slap hand in Zack's mouth.
by Nick Shane November 25, 2007

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When one guys hits it in the pink, and one guy hits it in the stink, and they literally "slap hands."
Dude, we just slapped hands on that bitch.

Hey, do you want to get together and slap hands on Chelsea later tonight?
by Out of control June 03, 2013

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