The action of slapping your hand rapidly against your hand against rhe inside of your legs for pleasure or the anoyance of your friends
"He was happy slapping so loud and hard that it woke your mom."
by frissue April 27, 2015
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Happy Slap - Un like the others above some true some false, happy slapping came about with the making of video cameras, its been about since the HI-8s and now moved on to mobile phones.

A typical stereotype is a person aged 14-18 years, waring a cap, hoodie or a stripy jumper with also market bought jogging bottoms with the known 3 stripes going down towards the feet also waring trainers like Reebok or Nike sometimes but rarely a skateboarder make like DC.

You'll know when they'll attack you as it happens as soon as they or you sit down and the mobile will be off to the seat on your left/right side or even right behind you if it happens in the street.

One way to combat this is to carry your own camera/mobile camera and just as or after they hit you get a picture of them give it to the police or what not stating you want to press charges as they attacked you.

You could do as shown above, catch them by suprise and hit them in-stead but if so make sure you hit them hard enough so that you can run.
This could happen any where,

1. you see 3 or more people walking along one or more with their mobile phone out of pocket maybe faking that their texting someone or playing a game
2. another one the leader walking ahead maybe a little impaticante rushing forwards.
3. they sit around you with the camer mostly off to your side aimed towards you
4. you'll hear them edge the one to hit on and then without knowing they hit you and your un-able to do anything about it.
by Not-Telling-A-Soul June 9, 2005
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a slap "game" filmed on a camera phone
well im from the place where it all took off so i no what its like and seen most of them

"smile your on happy slap tv"
by march August 1, 2005
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slapping someone round the face whilst playing lethal bizzle pow pow in the background

this is fucking hilarious especially when it is total surpise to the victim
pow pow
you wanna bring some beef- ur gonna lose some teef!
by MrW January 31, 2005
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A quere called guy who gets slapped
oi!!!! tanker "wot" SLAPPPPPPPPPPPP!!!
by mr unown April 7, 2005
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usually on da top deck of da bus, a rude boi or chav or wateva u wana call him will cum up to you, usually from behind and slap you with his mates recording on camera fone. Some mug will shout 'KKKAAAAPPPPPOOOOOOOWWW' and then the victim wont kno what to do...Totally random but hilarious if your the one recording.
" Wa blo blad? You shud have seen it da ova day i happy slapped this dick head on the bus, was immense"
by TOP NEEK January 4, 2005
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a video of someone videoing a run up of a random slap on someone

it is not raping punching stabbing shooting kicking or a beatdown
IT IS A SLAP TO THE FACE
dont let the media make you believe otherwise(we all know they exaggerate)
i got some video of jordan being happy slapped on my phone
by thiswillbebigoneday February 9, 2009
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