Historical clue formulations

• Chortles — 2023-05-25
• Hardy-har-hars — 2019-01-28
• Belly laughs — 2017-09-16
• Big laughs, slangily — 2017-05-01
• Big laughs — 2017-01-04
• Big laughs — 2016-10-26
• Loud laughs — 2016-02-29
• Hearty har-hars — 2016-01-26
• Loud laughs — 2013-08-08
• Big laughs — 2012-12-24
• Laughs over some unsophisticated humor — 2012-04-02
• Big laughs — 2010-02-03
• Cheap laughs — 2008-10-01
• Cheap laughs — 2006-08-07
• Stooges' laughs — 2005-02-06
• Hearty laughs — 1996-04-03