Another classic set of conversations with my students:
From a class of seniors:
[Bell rings. Kids are running out of the classroom.]
Student 1 (Running out the door): Have a good day, sir!
Me: What was that? Sir?! I’m not that old!
Student 2 (Running out the door): You’re getting there…
From a lower-level Geometry class…:
Me: Oh? What is it? I’ll check it out sometime tonight.
Student 1: 2 Girls, 1 Cup.
Me: … [Internal struggle over the proper way to react]