The Collaborative International Dictionary
Duffing
Duff \Duff\ (d[u^]f), v. t. [imp. & p. p. Duffed; p. pr. & vb. n. Duffing.] [Etym. uncertain.] [Colloq. or Slang]
To treat or manipulate so as to give a specious appearance to; to fake; hence, to cheat.
In Australia, to alter the brands on (cattle, horses, etc.); to steal (cattle, etc.), and alter their brands.
Wiktionary
duffing
vb. (present participle of duff English)
Usage examples of "duffing".
One chap, he was an innocent up-country fellow, in for his first bit of duffing, like we was once, he covered his face with his hands when he found he was let off, and cried like a child.