dodman (DOD-man) - n., (Eng. dial.) a snail.

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Or a snail shell, or sometimes any shellfish that sheds its shell as it grows. Alternative forms include dodderman, hodmandod, hodimadod, and hoddyman dod, used in places ranging from Norfolk to Buckinghamshire. Origin is, in this case, unknown.
(See? Not a bird.)
---L.

Thanks, WikiMedia!
Or a snail shell, or sometimes any shellfish that sheds its shell as it grows. Alternative forms include dodderman, hodmandod, hodimadod, and hoddyman dod, used in places ranging from Norfolk to Buckinghamshire. Origin is, in this case, unknown.
(See? Not a bird.)
---L.