Historical clue formulations

• Employee after working hours, on "Severance" — 2026-06-18
• Convex physical feature — 2026-06-11
• Protruding bellybutton type — 2025-10-06
• Only about 10% of Americans have one — 2025-01-30
• Bulgy belly button — 2024-12-16
• Bump above a belt — 2024-11-08
• Convex navel — 2024-03-06
• Certain belly button — 2023-09-12
• Navel type — 2021-09-10
• Prominent focus for a navel-gazer? — 2021-04-08
• Protruding part of the body — 2018-07-22
• Less common of two belly buttons — 2018-03-14
• Navel type — 2018-03-11
• "Button" that's plainly visible — 2017-11-05
• Tummy protrusion — 2017-10-03
• Navel formation? — 2017-03-21
• Convex navel — 2016-06-16
• Certain belly button — 2013-12-20
• Certain belly button — 2012-07-01
• Certain navel — 2011-05-25
• Protruding navel — 2011-01-24
• Protruding navel — 2010-12-07
• Navel type — 2008-07-02
• Navel designation — 2008-05-14
• Belly button type — 2007-12-04
• Certain belly button — 2007-04-09
• Certain navel — 2007-01-31
• Certain navel — 2006-10-14
• Belly button type — 2006-06-11
• Many a navel — 2005-06-05
• Belly protrusion — 2004-11-13
• Navel variety — 2004-07-06
• Stomach protrusion — 2001-10-13
• Certain navel, slangily — 1998-01-23
• Certain navel — 1995-12-20