Historical clue formulations

• Frowned-upon sound — 2024-06-30
• ___ cloth — 2024-06-28
• Tupperware lid sound — 2023-05-10
• Emanation from Barney Gumble on "The Simpsons" — 2021-03-02
• Pat on the back, maybe — 2020-09-18
• Rude sound at the dinner table — 2020-07-13
• Pat on the back — 2020-03-14
• Let the air out? — 2019-09-15
• Bit of dinner impoliteness — 2019-04-28
• Reason for saying "Pardon me" — 2017-11-18
• "Excuse you!" elicitor — 2017-05-11
• Pat on the back, as a baby — 2008-03-04
• Cause for an "Excuse me!" — 2007-04-20
• Tupperware sound — 2004-04-20
• Pat on the back? — 2003-05-07
• Pat on the back? — 2000-03-10
• Pat on the back, as a baby — 1997-10-28
• Pat on the back — 1995-02-09
• Pat baby on the back — 1994-05-25