Green’s Dictionary of Slang

guff v.1

[guff n.1 (3)]

1. (US) to chat.

[US]Overland Monthly (CA) Feb. 182: Go long wi’ yer guffin now, John Goggin [...] I’d ’ave none o’ yer guffin w’en the girls are haround.
[US]C.L. Cullen Tales of the Ex-Tanks 109: He guffed with me for a while, asked me if I ever drank.
[US](con. 1944) A. Myrer Big War 355: He’d been guffing away in English.

2. (Aus.) to fool, to deceive.

[Aus]Sun. Times (Perth) 12 Jan. 4/7: ‘Almost persuaded’ was someone of old / Who guffed when his game was to grab it.
[Aus]G.H. Lawson Dict. of Aus. Words And Terms 🌐 GUFFED—Deceived.

In phrases