/duf"euhr/ , n.
1. Informal.
a. a plodding, clumsy, incompetent person.
b. a person inept or inexperienced at a specific sport, as golf.
2. Northern and North Midland U.S. an old man, esp. a dull or indecisive one.
3. Slang.
a. anything inferior, counterfeit, or useless.
b. a peddler, esp. one who sells cheap, flashy goods.
[ 1835-45; perh. Scots dial. duffar, dowfart dull, stupid person, deriv. of DOWF; def. 3 perh. re-formation with DUFF 3 + -ER 1 ]