What does 'Grinning like a shot fox' mean?

If someone is grinning like a shot fox, they are smiling uncomprehendingly or smugly, looking stupid while smiling, showing that they don't really understand what's going on, like the bared teeth on the corpse of a fox.



All idioms have been editorially reviewed, and submitted idioms may have been edited for correctness and completeness.

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