Pulling a Ban is having a dumb excuse or can't think of a simple excuse not to show up to a job or some sort of activity
Luth: Hey you want to play Project Zomboid? Jack: Nah I can't, I have a stomach ache. Jerry: Great, Jack is pulling a Ban, what a little bitch
During a time when someone does something very dumb or messing something up over a very simple activity or a question
How did you mess this up! It was a simple activity of putting water into the house, how did you light the house on fire! Your having a Ban Moment!