Being a teacher is hard. You constantly have to be on your best behavior and sometimes you have to be really strict to get your point across.
Paramount
And since you work so hard to create this image of yourself as a teacher, the last thing you want is for a student to see you in an unguarded moment. But it happens!
Vulture
Maybe you got caught giving yourself a cheesy pep talk before teaching a rowdy class.
20th Century Fox
Or maybe you went a little crazy AFTER teaching a rowdy class and some students walked in on you.
NBC
Perhaps you ran into a student and their family when you had a few drinks too many at a restaurant.
NBC
Maybe you took a chance on a fart during class, but you accidentally pooped your pants in front of all of your students!
Universal