Historical clue formulations

• "Ya got me" — 2025-02-15
• "It's unclear" — 2024-04-12
• [Shrug] — 2023-10-22
• "Beats me!" — 2021-02-01
• "Beats me" — 2014-11-05
• Verbal equivalent of a shrug — 2014-04-18
• Slangy expression of ignorance — 2012-07-31
• "Beats me!" — 2009-11-23
• "No clue" — 2006-06-16
• "Got me!" — 2003-08-02
• "Beats me!" — 2002-04-10