F.O.Q
F. O. Q is when you yell at someone to get lost before they even realize you're about to do something nasty.
I said F. O. Q to my mom when she walked in on me eating cereal out of the fridge at 2 a. m.
He yelled F. O. Q at the teacher right before he ran out of the classroom.
I did a F. O. Q to my friend when he tried to take my last slice of pizza.