Grinning from ear to ear, displaying all your teeth, much like a mule eating briars would look. Not to be confused with a shit eating grin.
by jamesnbk1108 February 8, 2009
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mule eating briars • mule kick • Mule Dick • Mule Hammer • mule punch • Mule Basin • mule bits • mule boy • mule breath • Mule bucket