Rinning like a mule eating briars

Posted by ESC on July 27, 2007

In Reply to: Rinning like a mule eating briars posted by Lisa on July 25, 2007

: Does anyone know the origin of the phrase, "Grinning like a mule eating briars"? Is it of European, American, African, etc. origin?

It sounds country USA to me.

• Rinning like a mule eating briars L Bullard 30/July/07