Historical clue formulations

• When repeated, something often said to be "deep" — 2025-07-25
• Lead-in to hickey or wop — 2025-06-10
• Scooby-___ — 2025-04-13
• "Well, whoop-de-___" — 2024-05-01
• Scat syllable — 2024-04-14
• "Whoop-de-___" — 2024-02-18
• ___-wop — 2023-08-21
• Lead-in to hickey — 2022-09-03
• Common scat syllable — 2022-06-16
• Scooby-___ — 2021-11-09
• Scrappy-___ (cartoon dog) — 2021-03-18
• Scat syllable for Sinatra — 2020-05-03
• ___-wop — 2017-09-12
• Scooby-___ — 2017-05-23
• When sung five times, a 1974 Rolling Stones hit — 2016-10-30
• "Whoop-de-___" — 2015-12-20
• Scooby-___ — 2014-04-08
• Ski-___ — 2013-08-18
• Ski-___ — 2013-03-17
• "Yabba dabba ___!" — 2012-11-12
• Whoop-de-___ — 2012-04-25
• Scat syllable — 2012-01-15
• Scooby-___ — 2011-12-22
• "Inka Dinka ___" — 2010-10-19
• End of a Fred Flintstone cry — 2009-12-04
• Scooby-___ — 2009-11-30
• Ending with Sea or Ski — 2009-08-29
• ___-wop — 2009-05-20
• "Inka Dinka ___" — 2008-03-30
• Scatting syllable — 2007-05-05
• Scooby-___ — 2007-03-22
• Jimmy Durante's "Inka Dinka ___" — 2006-03-29
• Ski-___ — 2006-01-06
• ___-wop — 2004-10-27
• Sinatra scat syllable — 2004-02-29
• When said five times, a 1974 Rolling Stones hit — 2003-08-31
• Scooby-___ — 2002-07-07
• Scooby-___ (cartoon dog) — 2001-08-06
• Ski-___ snowmobiles — 2001-02-01
• Whoop-de-___ — 1999-09-26
• Repeated four times, a 1974 Rolling Stones hit — 1999-02-05
• Scooby-___ (cartoon dog) — 1998-05-12
• Prelude to a hickey — 1998-02-01
• Scooby___ — 1996-01-08
• "Zip-a-Dee-____-Dah" — 1995-09-13
• Scooby-____ — 1995-08-10
• Pop hit "Da _____ Ron Ron" — 1994-04-29