who are you to wave your finger

It sounds like you're quoting or referencing a phrase that questions someone's authority or right to judge or reprimand others. The phrase "Who are you to wave your finger?" is often used to challenge someone who is acting self- righteous or overly critical. If you'd like, I can help you explore the meaning behind this phrase, provide examples of its use, or even help you craft a response to someone using this expression. Just let me know!