Lucky I was on my lunch break. I put my head down, and next thing I know, the bell is ringing and I have a red spot on my forehead. At least I didn't drool all over the place.
no, tell them you sit at your desk and smash your open hand against your forehead and scream "Why are these kids so F**king stoopid?!"
Sophs at college are 22? Please don't tell me they are high school sophs. Either way tell them the mark came about because you are so worried about their future.
Consider yourself lucky that you didn't get busted past lunch by the students, or off to the principal you go.