Historical clue formulations

• "What ___" ("Bummer!") — 2023-07-30
• "What ___ it is getting old" (Rolling Stones lyric) — 2018-04-10
• Something boring — 2016-09-21
• "What ___!" ("Bummer!") — 2016-01-10
• "What ___!" — 2015-08-14
• "What ___" ("Ho-hum") — 2013-02-13
• Not fun at all — 2009-11-01
• "What ___" ("Ho-hum") — 2009-03-25
• "What ___!" ("Ho-hum") — 2001-06-10
• "What _____" ("I'm bored") — 1994-02-22