P.T.F.A. RETARD(S)
P. T. F. A. RETARD(S) is when you're not stupid, but you act like you are. You don't want to learn, and you never will.
He said he 'didn't know the answer' even though I told him the question 3 times.
She kept saying 'I didn't know the test was today' even though I sent her a reminder.
He acted like he didn't know the math problem even though he had the notes from the first day.