My office is outside of a classroom. Should I taunt people who come to class late?

Question

The class going on started at 5:30. Between 5:45 and now, 4 different people have come in. I'm so tempted to laugh and say "oh, you are sooo late. Boy, are you screwed " to them when I see them.

Answer 1

just do a Simpson like HA HA!! Oh, I wish I could do it for you....you know, that bully kid on the Simpsons???

Answer 2

go for it I won't tell on ya