nuff-nuff
n.— «That’s an insult to the true fashion-unconscious Aussie dag, who wouldn’t be seen wearing a brown velour tracksuit near these nuff-nuff characters.» —“As bad as it gets” by Leigh Paatsch Daily Telegraph (Sydney, Australia) Jan. 21, 1999. (source: Double-Tongued Dictionary)
Further reading
British broadcaster, comedian, and logophile Stephen Fry offers a helpful if tongue-in-cheek suggestion in his newsletter The Fry Corner: Let’s all write AI, the shortened form of artificial intelligence, as Ai. Fry reasons that the upper-case...
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...