Historical clue formulations

• Big chin-wag — 2018-10-18
• Bull session — 2016-10-23
• What a pajama party often is — 2011-08-07
• "The View," essentially — 2008-02-16
• Lot of yakking — 2006-05-03
• Confab — 2004-02-27
• Talkathon — 2001-09-16