F.T.O.B.E.
Using your finger to torture someone’s eye until it feels like you’re giving them a free hand job through their face.
She did F. T. O. B. E. to her mom and got grounded for a month.
He did F. T. O. B. E. to me during lunch and I spilled my pizza.
My brother did F. T. O. B. E. to his friend and now they’re enemies.