K

1.It is a way of ending a convo either normally or in a rude way to piss someone off or annoy them

2.It is another way of saying AK-47 or just an AK in general which is an automatic assault rifle it is very popular in video games

1.friend:”I’ll see you at the park in a little bit”
You:“K”

2.”I’m trappin so I keep a K in case someone pull up or want smoke”