Historical clue formulations

• Fine dining no-no — 2024-11-13
• Show appreciation at a ramen bar, contrary to Western etiquette — 2023-07-14
• Noisy drinker's sound — 2023-05-23
• Result of loose lips? — 2020-07-23
• Soup eater's sound — 2020-05-05
• Commit a fine-dining faux pas — 2020-01-27
• Fine dining no-no — 2018-12-29
• Impolite sound — 2017-10-14
• Eat noisily — 2014-08-05
• Drink loudly — 2013-11-03
• Conspicuously consume — 2011-10-13
• Eat noisily — 2008-06-22
• Soup eater's sound — 2007-02-19
• Noise that Emily Post wouldn't approve of — 2005-03-06
• Break etiquette at a dinner table — 2004-12-03
• Impolite dinner sound — 2003-11-30
• Bad etiquette at the dinner table — 2003-01-23
• Sound at a soda fountain — 2002-09-22
• Drink impolitely — 2000-12-06
• Impolite sound — 1997-10-17
• Drink impolitely — 1995-05-11
• Drink rudely — 1995-04-09