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To smack a bitch upside the head with an open hand, thus emitting a comic book style 'Klak' sound.
'I'mma Klak that bitch upside the head!'

'You lookin' for a Klak?'

'Klak that motherfucker, Joe!'
by DumbCake December 28, 2013
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3
a group and /or gang of four girls that roam the streets and have a minibar under their bathroom sink.
me and klak are hanging tonight at the rager.
by PRL3C December 15, 2007
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4
A group of four girls that have mini bars under their bathroom sinks and that are not afraid to be ravers and party it up.
Hey, did you see that klak last night?
by papa roach December 15, 2007
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5
A group of trippy kids that you definitely want to meet.
"Who are those kids over there?"
"Oh, they're the KLAK kids, and they don't talk to outsiders."
by KLAK March 26, 2008
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