Historical clue formulations

• "Oh. Come. On!" — 2025-09-30
• "Oh, be serious!" — 2008-03-03
• "Lighten up, will ya?!" — 2007-10-19
• "Oh, come ... on!" — 2004-11-19
• "Oh, puh-leeze!" — 2004-06-27
• "Stop worrying about picayune stuff!" — 2002-07-22
• Slangy putdown — 1995-10-19