kak 

pronounced 'cack' or 'cacked' - to betray someone's love and trust as if you have no conscience.

That bitch kakked me!

kak by bread infection November 30, 2009

kak 

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"

kak by Jc Dub April 7, 2005

Kak 

(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!

Kak by Sei September 16, 2012

kak 

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"

kak by is it just me or r u really ga November 13, 2018

kak 

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

kak by kak2krack October 29, 2014

kak 

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

kak by kak2krack October 29, 2014

KAK 

Someone who doesn't understand moderation when it comes to drinking. Falling, puking, telling too much, and not remembering are parts of his/her night. This usually leads to unknown bruises in the morning.

Drunk girl and "drunk girl's duo" are KAKs.

KAK by your favorite hater April 27, 2004