What would you do or say?

[Old School]

You could have also gave him a warning. Not all responses need to be dealth with so harshly. Coach was a little emotional about the travel, warning sign would have been good here follow also by please do not curse at me again. And if he steps out of line again, he's then seat belted. Though, I have no problem with the technical you gave. I think your skin going to have to get a little tougher too. If you would have tried the warning first, you might have won yourself an ally.

Food for thought....