Historical clue formulations

• Like many canine tails, quaintly — 2017-04-15
• Like many dogs' tails — 2014-10-17
• Like an excited puppy's tail, old-style — 2012-08-14
• Like a friendly dog's tail — 2012-03-11
• Like gossiping tongues — 2003-03-06
• Like gossiping tongues — 2001-06-10