When someones text message reply contains only the letter 'K', because the person is either to lazy or cool to add the letter 'O' in front.
Text message:
Person 1: Hey dude, it was so good seeing you the other day! I haven't seen you in agesss we should catch up!
The Bamberg K offender: K
_____________________________________________
Person 1: Babe, I'm pregnant
The Bamberg K offender: K