Historical clue formulations

• Make yawn, say — 2025-07-01
• Drip … or drill — 2024-12-14
• Tunnel (through) — 2024-09-12
• Drill — 2024-09-07
• Drill (into) — 2024-02-20
• Snooze — 2023-12-03
• Snoozefest — 2023-09-10
• Make yawn — 2023-04-04
• Tedious sort — 2023-03-12
• Drip — 2022-08-06
• Make yawn — 2021-06-27
• Put to sleep — 2021-01-09
• Sleep-inducing pill? — 2020-03-23
• ___ someone to tears — 2019-11-18
• Snoozefest — 2019-06-11
• Yawner — 2019-02-05
• Induce ennui in — 2018-02-11
• Snoozer — 2017-02-23
• Gun measure — 2016-06-30
• Snoozer — 2016-03-01
• Do some drills? — 2015-08-29
• Barrel diameter — 2015-05-20
• Drill (into) — 2015-03-22
• Hollow out — 2014-11-15
• "A person who talks when you wish him to listen," per Ambrose Bierce — 2014-09-12
• Auger — 2014-04-29
• "Zzz" inducer — 2014-03-15
• Tiresome sort — 2013-12-18
• "Every hero becomes a ___ at last": Emerson — 2013-07-13
• Make yawn — 2011-11-14
• Drill a hole — 2011-09-26
• Snoozefest — 2011-02-07
• One who talks only about himself, say — 2010-04-27
• Ho-hum sort — 2010-03-22
• One who's easier to pray for than to visit, according to C. S. Lewis — 2010-02-14
• Droner, usually — 2009-11-24
• Put to sleep — 2009-02-22
• Drone, e.g. — 2008-08-06
• Drill — 2007-10-15
• Barrel statistic — 2007-07-06
• Bloviator, often — 2006-10-16
• Had on one's back — 2006-07-27
• Make yawn — 2006-07-03
• Drag — 2006-05-12
• Ear bender — 2006-03-01
• Yawn inducer — 2005-10-03
• Yawn producer — 2005-09-14
• Make yawn — 2005-05-16
• Crashing sort — 2004-09-01
• Schmo — 2004-04-16