Historical clue formulations

• Smug expression — 2022-01-25
• Self-satisfied smile — 2019-11-20
• Self-satisfied smile — 2018-08-31
• Smile that's not a warm smile — 2013-08-19
• Smug look — 2010-11-16
• Show of smugness — 2010-04-07
• [I told you so!] — 2008-08-09
• Smarmy smile — 2008-08-03
• Smug expression — 2004-06-18
• Show of smugness — 2004-06-09
• Exhibit smugness, in a way — 2001-05-19
• Villainous expression — 2000-09-23
• Brat's look — 2000-03-22
• Brat's look — 1997-04-06
• Brat's look — 1995-03-12
• Brat's smile — 1994-01-16
• Conceited smile — 1993-12-20