B-Grader
A clueless idiot who got promoted from B-class to A-class but still acts like they're stuck in the B-Grader Chair
I got a promotion but I still talk like I'm stuck in the B-Grader Chair.
He got moved up but still thinks he's a B-Grader.
She's in A-class but still acts like she's in the B-Grader Chair.