F.O.C.U.S.
A stupid phrase that means you are dumb and need to be yelled at.
I got F. O. C. U. S. from my friend when I told him the Earth was flat.
My dad yelled F. O. C. U. S. at me for wearing socks with sandals.
My teacher said F. O. C. U. S. when I thought 2 + 2 was 5.