Spell The Word

Teacher: Abu, stand up!
Abu: Yes teacher.
Teacher: Spell the word GOOD.
Abu: G.O.A.T.
Teacher: Wrong!
Abu: W.O.N.G.
Teacher: Stop it!!!!
Abu: S.T.U.P.I.D.
Teacher: Shut up!!! Or I will knock your head!!!
Abu: That's too long teacher.
Teacher: &%$#$%