D.F.Y
D. F. Y is like prison for kids who didn't get the memo that school is for learning, not for being lazy and annoying.
"I got sent to D. F. Y because I fell asleep during math.", @LazyStudent2000
"My brother got D. F. Y because he threw a juice box at the teacher.", @BrotherTrouble
"D. F. Y is just jail for kids with better lawyers.", @JailRap