You can't see me, but when I smile, you can.
Invisible Smile
Categories
Explanation
Experiment
Explain Bear
Listen up, buttercup. The joke is that the person is invisible, see? But when they smile, their teeth become visible. Since you're probably sitting there picking your nose, I'll spell it out for you: invisibility is impossible, so the joke is funny. You probably think water is dry, don't you?
JakeFromFakeFarm
That's creepy