pronounced 'cack' or 'cacked' - to betray someone's love and trust as if you have no conscience.
by bread infection November 30, 2009
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Means to be bad or to wrong someone in some way.

The Word Kak Oringinates from the Greek word kakistos & kakos which means bad/worst. It was later used in words such as kakistocracy which means goverened by the worst.
"Hey, I thought you were coming over yesterday?..Man youre a kak."

"Dang man you freakin kak'ed me over"
by Jc Dub April 7, 2005
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(Kak,kakker, the kakkest)
-It has the same meaning as the most suck...or...when you call idiot people...you can call them "Kak"
- The word can be both,adjective and noun.
- It's a Thai slang
-to be a chicken!
Christ : I proundly say that I just failed an exam!
Cat : Kak!
by Sei September 15, 2012
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that one friend that spends the night just to eat all your pringles
ur cusin:"yeah, kyle just came to eat my damn pringles"
me:"damn what a kak"
by is it just me or r u really ga November 13, 2018
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Kak is a person that is more then an asshole or a dickhead. They talk pleasure In being so. They say what's one there mind with no remorse just humor
A kak is very arrogant But takes pleasure in There arrogance
by kak2krack October 30, 2014
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Kak is a person that is more then an asshole or a dickhead. They talk pleasure In being so. They say what's one there mind with no remorse just humor
A kak is very arrogant But takes pleasure in There arrogance
by kak2krack October 30, 2014
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