Historical clue formulations

• Suffix for an extravaganza — 2023-06-06
• Commercial suffix akin to -apalooza — 2019-10-19
• Quaint commercial suffix — 2017-07-05
• Slangy commercial suffix — 2014-11-12
• Commercial suffix akin to "à go-go" — 2012-02-20
• Commercial name suffix — 2011-06-26
• Slangy event suffix — 2010-04-10
• Slangy business suffix — 2010-02-17
• Slangy commercial suffix — 2009-08-30
• Slangy commercial suffix — 2006-07-30