Green’s Dictionary of Slang

wuffy n.

[popular dog's name (from its barking, woof! woof!) + dog n.2 (6b)]

(Aus. prison) an informer.

Show quotations
J. McNeill Chocolate Frog (1973) 23: Shirker: Yer got yer mate two years for his whack...’n six months for yerself! How did that happen to come about...hey, Wuffy!