(K): the most disrespectful piece of slang.
Person 1: hey John wanna hangout
John: k
Person one: screw you dude
When a good freind leaves your freind group and comes back every now and then
Person 1:Bro im so mad Kai keeps leaving us.
Person 2: Ya but he will probably going to come back in a week or two.
Person 1; Ya I know he's such a on/off homie