Historical clue formulations

• ___ luck — 2026-01-06
• Lead-in to struck or luck — 2025-09-24
• Boneheaded — 2025-04-21
• Boneheaded — 2024-11-24
• Word with luck or waiter — 2021-06-16
• Word after play or before luck — 2020-04-22
• Like a "doh!" moment — 2019-03-19
• Word said three times while smacking the forehead — 2017-05-07
• Cry made repeatedly while slapping the forehead — 2016-09-08
• Sharp's opposite — 2016-05-07
• Half-baked — 2015-01-27
• Boneheaded — 2014-06-16
• Senseless — 2013-12-25
• Boneheaded — 2012-10-09
• Boneheaded — 2008-06-29
• Word before luck or cluck — 2008-03-26
• Inane — 2007-09-18
• Boneheaded — 2007-01-15
• Slow — 2006-01-01
• Moronic — 2004-04-07
• One way to be struck — 2002-09-22
• Hardly Einsteinian — 2002-01-22
• Asinine — 2001-04-05
• Like some errors — 1999-11-28
• Half-witted — 1999-01-17
• Slow-witted — 1997-09-01
• Speechless — 1996-01-03
• Speechless — 1995-06-16
• Type of luck — 1994-03-02