Answer:
Scout got in trouble for explaining why Walter couldn't borrow a quarter to buy lunch. Scout blamed Walter for her getting in trouble so she rubbed his nose in the dirt until Jem stopped her and invited Walter to dinner. This shows Scout to be feisty as well as valuing school. She can also be impulsive.
The meaning of drumming went wild in an expression is that it is trying to express something that involves something extraordinary or something great or interesting that had happened. Another expression is that it may be having to show something that has been lose out of control.