Historical clue formulations

• "What did the ___ do when it was still hungry? Went back four seconds!" (dad joke) — 2022-07-19
• Measure, as a runner — 2017-04-30
• Something a cellphone can replace — 2017-02-22
• Slug — 2015-02-21
• Cuckoo ___ — 2013-11-11
• Instrument that hints at the missing parts of certain answers in this puzzle — 2013-09-26
• Timekeeper — 2013-08-05
• What an antsy person might watch — 2009-08-29
• What a mouse ran up, in a rhyme — 2008-09-02