duffing

== English == === Verb === duffing present participle and gerund of duff === Adjective === duffing (comparative more duffing, superlative most duffing) (UK, slang, obsolete) Like a duffer; incompetent or worthless. Synonyms: inept, ineffective; good-for-nothing, no good; see also Thesaurus:worthless ==== References ==== John Camden Hotten (1873), The Slang Dictionary