Historical clue formulations

• Show off one's physique, in a way — 2023-01-14
• Show off at the gym — 2021-12-12
• Sport one's biceps — 2020-04-14
• Show off one's muscles — 2018-07-03
• Show off, as muscles — 2015-05-04
• Move a muscle? — 2013-11-10
• Show off at Muscle Beach — 2013-11-04
• Show off one's "guns" — 2013-02-24
• Display some guns — 2012-10-26
• Bend one's elbow, e.g. — 2010-12-15
• Show off at the gym, say — 2008-08-13
• Flaunt, say, as muscles — 2007-12-20
• Show off at the gym — 2007-04-05
• Show off, like Mr. America — 2005-11-24
• Show off one's biceps — 2005-01-05
• Bend — 2001-11-24
• Show muscle? — 1998-03-23
• Bend — 1998-02-21
• Bend — 1994-06-20