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Sheepish grin

Posted by Victoria S Dennis on July 14, 2007

In Reply to: Sheepish grin posted by T Burgess on July 14, 2007

: Does anybody know the origin of the term "sheepish grin?"

Look up "sheepish" in a dictionary, printed of inline, e.g. here:
I think the word got that meaning simply because sheep do have silly embarrassed-looking faces. (VSD)