noun a stupid, awkward, inefficient person.
2. duffer ·add. ·noun one who duffs cattle, ·etc.
3. duffer ·add. ·noun any common domestic pigeon.
4. duffer ·add. ·noun ·see shicer.
5. duffer ·noun a peddler or hawker, especially of cheap, flashy articles, as sham jewelry; hence, a sham or cheat.