Historical clue formulations

• Face, in slang — 2021-01-26
• Yap — 2017-10-15
• Face or mouth, informally — 2015-02-13
• Trap — 2014-08-07
• Mug — 2003-02-16
• "Pow! Right in the ___!" — 1999-12-20
• Mug — 1999-03-11
• Mug — 1997-12-21
• Mouth, to Ralph Kramden — 1997-03-17
• Mug — 1993-12-31