I'm going to snap at the photographer's assistant.
Why would you snap at him?
He was being a jerk to me, while I was standing in line
It can be a little frustrating when someone is unkind to you. Snapping at them rarely makes things better though. Have you considered maybe they are having a bad day and can use some nice words?
I am going to keep snapping and making fun of him.
I just think it's best that you leave him be and move on with your life at this point.