Historical clue formulations

• El Pollo ___ (chicken chain) — 2026-08-30
• Bananas — 2026-08-16
• Crazy, in Coahuila — 2026-04-03
• Plumb mad — 2026-02-18
• Bananas — 2025-11-23
• Nutso — 2025-11-03
• Unhinged — 2025-05-27
• In ___ parentis — 2025-05-18
• Cuckoo — 2025-01-22
• Bananas — 2023-12-29
• Cray cray — 2023-12-13
• In ___ parentis (legal term) — 2023-03-08
• Out of one's gourd — 2022-11-10
• Bonkers — 2022-10-12
• ___ citato (in the passage quoted) — 2022-06-14
• Crazy, in Cancún — 2022-04-04
• Crazy, in Spanish — 2021-12-01
• Cuckoo — 2021-06-01
• Bananas — 2019-04-25
• Bats — 2017-12-22
• Spanish nuts — 2015-12-31
• Batty — 2015-06-23
• Unhinged — 2015-06-06
• Nuts — 2015-02-27
• Unscrewed — 2014-09-13
• Plumb crazy — 2014-07-31
• Wacko — 2013-11-21
• Bananas — 2013-06-24
• Plumb crazy — 2013-02-18
• Off one's rocker — 2012-09-11
• Totally baked — 2011-08-11
• Gonzo — 2011-05-27
• Stark raving mad — 2011-04-25
• Way off — 2011-04-02
• Mad — 2011-03-29
• Nuts — 2008-12-25
• Daffy — 2008-09-15
• Bats — 2008-08-23
• Plumb crazy — 2008-08-13
• Bonkers — 2008-04-08
• Plain crazy — 2007-01-08
• Bats — 2006-09-05
• Bonkers — 2006-04-10
• More than a little off — 2005-10-01
• Bats — 2005-07-14
• Plumb crazy — 2004-06-14
• Bats — 2004-06-04
• Daft — 2004-04-04
• Lead-in to motion — 2004-03-16
• Bananas — 2004-01-22