. fits you to a T.
By Proxy is a phrase commonly used in the English language, and it refers to the act of acting or representing someone else, often with their authority or permission. When using this term, it implies that a person is acting as a substitute or intermediary for another individual or entity. In simpler terms, it means “by substitution” or “through a representative.”
https://thecontentauthority.com/blog/how-to-use-by-proxy-in-a-sentence
You don’t have a fucking clue