Summary
This quote is a humorous reference to the character Ron Weasley from the Harry Potter series. "Doing a Weasley" implies a sudden burst of reaction or a comical outburst in response to a frustrating or irritating situation. The speaker is expressing that if they experience another annoying lesson or ordeal, they may react in a similar exaggerated manner as Ron, emphasizing their exasperation and potentially over-the-top response.
By J.K. Rowling