As clear as a buttonhook in the well water

Posted by Baceseras October 22, 2010 at 14:30In reply to As clear as a buttonhook in the well water posted by Terry Harper on October 22, 2010 at 09:11:

Wwhat is the meaning or reference of "clear as a buttonhook in the well water"?

[Water from a well is presumably clear water; a buttonhook is a bit of wire formed into a loop; two things you can see through. - Baceseras.]