Reminiscent of playing car racing video games in shops when you were a kid with no money, but still vigorously manipuating the steering wheel and enjoying the ride, as the text "Insert Coin" flashes continuously.
MARK: "Why's Duane from management holding a clipboard and talking at us? We all know what we're doing and we're ahead of schedule anyway. He's just justifying his payrise."
JOHN: "Nah he's not that clever, he's got insert coin syndrome."