Historical clue formulations

• "Aw, rats!" — 2025-03-30
• Gunky residue — 2023-10-30
• Gunk — 2023-03-01
• "Darn!" — 2023-02-21
• "Fiddlesticks!" — 2022-03-25
• "Rats!" — 2019-12-11
• "Phooey!" — 2019-05-15
• "Darn!" — 2018-06-13
• "Oh, fudge" — 2017-09-10
• "Oh, darn!" — 2017-06-23
• "Phooey!" — 2014-06-09
• Gunk — 2012-02-16
• Gunk — 2009-03-16
• "Rats!" — 2008-10-10
• "Darn it!" — 2008-05-04
• "Phooey!" — 2004-07-25
• "Phooey!" — 2004-03-11
• Gunk — 2003-01-04
• Rubbish — 2002-12-13
• Rubbish — 2001-12-08
• Muck — 1999-09-11
• Gunk — 1999-08-17
• Dirty deposit — 1999-04-04
• "Phooey!" — 1997-11-16