Duffer
Pronunciation : Duf"fer
Part of Speech : n.
Definition : 1. A peddler or hawker, especially of cheap, flashy articles, as sham jewelry; hence, a sham or cheat. [Slang, Eng.] Halliwell.
2. A stupid, awkward, inefficient person.[Slang]
Source : Webster's Unabridged Dictionary, 1913