"How can you be so smart and yet so stupid?"
"You STILL haven't figured that out?"
"Do I need to draw you a map?" (HELL NO! That's the worst you could do, idiot)
"Why can't you just use your head?"
"Do I have to explain EVERYTHING?" (Duh! Yes, jerk.)
"Can't you be more (organized, normal, responsible, like a boy/man, "together", helpful, independent, neat, orderly, thick-skinned, like other people)?