A stupid slang word every teenager, your dog, your teacher and everybody else in the universe uses.
Teacher: "DETENTION!"
Student 1: "Meh..."
Student 2: "Meh meh meh."
Teacher: "Meh?"
Student 1: "MEH!!!"
Teacher: "Meh."
-- 20 minutes later --
Student 2: "MEH!!!!"
The End