Historical clue formulations

• Like loam and humus — 2022-08-12
• Coarse — 2021-07-14
• A bit crude — 2017-02-26
• Rabelaisian — 2015-01-04
• Coarse, as humor — 2014-12-23
• Coarse, as humor — 2013-06-10
• Coarse — 2013-02-24
• Ribald — 2012-09-04
• Coarse, as humor — 2010-05-25
• Unrefined — 2006-04-28
• Coarse — 2004-12-12
• Coarse — 2002-10-23
• Unrefined — 1998-01-18
• Ribald — 1997-03-16
• Like some humor — 1996-12-01
• Lustily robust — 1994-08-30