Historical clue formulations

• Reprimand to a rubbernecker — 2024-03-24
• "Be polite!," in a way — 2020-08-14
• Admonition to the overly curious — 2014-03-12
• Earful for one getting an eyeful — 2011-12-02
• Cousin of "It's rude to point!" — 1997-12-27