duffer UK /ˈdʌfə/US /ˈdʌfɚ/noun 9forms 1 noun9 •A player having little skill, especially a golfer who duffs.4. P-N5 BxP Clearly, Duras intends to have his fun with this duffer. — 1963 •(informal) An incompetent, indolent, or clumsy person.Besides, I was anxious to take the wheel, the man in pink pyjamas showing himself a hopeless duffer at the business. — 1899 •A racing pigeon that does not perform well. •(old-fashioned) A cow that does not produce milk or produces substantially less than her peers do. •(Australia, old-fashioned) A cattle thief or thief of other livestock; one who alters the brands of cattle.Judy was an associate (‘stud’) of a Whitefella cattle duffer named Brigalow Bill (aka WJJ Ward). — 2004 •Any of various nymphalid butterflies of the genus Discophora. •(no longer used) Cheap or substandard goods sold by a duffer. •(no longer used) Anything substandard, such as a counterfeit or a defective instance. •(no longer used) A pedlar or hawker, especially one selling cheap or substandard goods. formsduffers