When another person snaps(or yells) at another
"Don't start jappin at me"
by Marianne Hanna November 24, 2003
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getting upset over something that might only be upsetting to you; a freak-out attack
Where in the hell is my boyfriend, I'm jappin' out; and I'm gona snap and jap on him.
by fraase April 15, 2008
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Jappin off is when a person masturbates to Japanese girls.
1. Hey dude I was Jappin off to AKB48 last night!

2. After seeing that girl in Wasabi, I am gonna have to have a post dinner Jap off.
by Rafto September 29, 2010
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1.) a derogatory term for a Japanese person from china

2.) a Chinese Japanese Nigga
1.) hey what up my jappin-chink
2.) dude don't call me a fucking jappin chink you cunt
3.) yesterday i fucked a jappin chink bitch
4.) in school the jappin chinks are the teachers pets
5.) the reason i have a fucked up face is because i called a jappin chink a jappin chink
by HexaSexaGram March 18, 2015
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to pull the labia majora outwards while performing cunnilingus and frantically slap them together
she: what the fuck are you doing down there?!
he: oh baby, just flap jappin this mutha fucka.
by black baby jesus June 8, 2011
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