Green’s Dictionary of Slang

chuffing adj.

a synon. for fucking adj. (1)

1996		N. Blincoe ‘Ardwick Green’ in Champion Disco Biscuits (1997) 4: You see what the place looks like? What it chuffing smells like?
2001		Indep. Rev. 8 Mar. 11: It’s all chuffing this and blinking that.
2023		E. Philips on Bluesky 24 Dec. 🌐 [caption to bird illus.] And a merry chough-ing Christmas to you.