(I’m at my university’s computer help desk and have just fixed a problem on a student’s laptop.)

Me, to student: “…okay, that should get you online.”

Student: “Great, thanks!”

(A random student passes by, seeing the laptop.)

Random passerby: “Wow! That laptop is huge!”

Me: “Erm…”

Random passerby: “I bet you could use it as a weapon to smash someone’s head in!”

Me: “Uhh…”

Student: “Erm…”

Random passerby: *walks off*

Me, to student: “Well, I bet you didn’t know THAT about your laptop.”