Historical clue formulations

• Simoleon — 2026-09-12
• Happy as a ___ — 2026-03-02
• Silent sort — 2025-12-05
• Happy as a ___ — 2025-11-03
• One might be cooked "casino"-style — 2025-07-24
• Chowder ingredient — 2025-07-19
• Dollar, informally — 2025-03-30
• Oyster relative — 2024-10-23
• Dollar, informally — 2024-10-02
• Go silent, with "up" — 2024-05-05
• $1 bill, in slang — 2024-02-07
• Chowder morsel — 2024-01-23
• Stop talking, with "up" — 2023-10-18
• Zip it, with "up" — 2022-09-30
• Sort who refuses to answer — 2022-05-20
• Chowder morsel — 2022-01-31
• Happy as a ___ — 2021-08-03
• End of a "happy" simile — 2020-09-23
• Chowder ingredient — 2020-09-20
• Smacker — 2020-07-18
• Geoduck, e.g. — 2020-06-12
• Shut (up) — 2019-08-30
• Silent type — 2019-06-12
• Tough person to get information from — 2019-05-18
• One keeping a secret, metaphorically — 2019-01-06
• Quahog or geoduck — 2018-09-26
• Silent sort — 2018-03-16
• Tight-lipped sort — 2018-02-05
• Chowder flavor — 2017-09-20
• Raw bar offering — 2017-08-14
• One who's tight-lipped — 2017-07-19
• Refuse to talk, with "up" — 2017-06-04
• Simoleon — 2017-03-29
• Dollar, in slang — 2016-12-25
• Symbol of happiness — 2016-10-01
• Place for steamers — 2016-01-21
• Tight-lipped sort — 2013-12-20
• Paella ingredient, perhaps — 2013-10-24
• Chowder ingredient — 2013-08-27
• Happy as a ___ — 2013-03-26
• Tight-lipped sort — 2013-01-29
• Blabber's opposite — 2012-11-14
• Paradigm of happiness — 2011-10-31
• Buck — 2010-07-11
• Symbol of uncommunicativeness — 2010-04-07
• Stop talking, with "up" — 2009-11-04
• Chowder morsel — 2009-04-09
• Buck — 2009-03-01
• Symbol of happiness — 2008-04-27
• Buck — 2008-01-25