Historical clue formulations

• Bubbling away — 2022-06-14
• Like the water in a whistling teakettle — 2020-12-27
• Bubbling — 2020-05-03
• Bubbling over — 2014-05-21
• Bubbling, as water — 2014-04-21
• Intensely stirred up — 2013-10-31
• Bubbling up — 2012-12-23
• Bubbling over — 2012-10-30
• With lid rattling, say — 2012-01-14
• Like geysers — 2011-06-29
• Seething — 2011-05-27
• In a tumultuous state — 2011-04-19
• Bubbling — 2010-06-08
• Seething — 2009-12-20
• Furious — 2009-01-10
• Bubbling — 2007-08-05
• Bubbling on the stove — 2006-10-30
• Bubbling on the stove — 2006-09-06
• Intensely excited — 2005-12-30
• Bubbling — 2005-11-30
• Bubbling over — 2005-09-14
• Bubbling over — 2005-03-09
• Excitedly — 2004-08-17
• Bubbling on the burner — 2004-06-02
• Bubbling over — 2003-04-15
• Bubbling — 2002-11-11
• Buzzing with excitement — 2002-10-07
• Full of excitement — 2002-06-30
• Agitated — 2001-08-05
• Bring to ___ — 2001-03-30
• Buzzing with excitement — 2000-08-16
• Cooking — 2000-05-12
• Bubbling on the stove — 1999-01-17
• Bubbling — 1998-09-23
• Bubbling — 1998-09-13
• Simmering — 1998-03-15
• Irate — 1997-02-24
• Bubbling — 1997-01-26
• Excitedly active — 1996-07-14
• Bubbling, as hot water — 1995-09-04
• Bubbling — 1994-03-17