Order an expresso. You’ll get lots of bites, it’s just too easy.

“Fairy snuff” surely for “fair enough”

Ha, for months I had a girlfriend really confused as I kept saying “hairy muff” instead of fair enough. Every time she asked me about it I was adamant that I had said “fair enough” Broke down in hysterics one day with the look on here face n ending up confessing.

Datas instead of data. Working with various tech people it never fails to get a bite or send them into a twitching fit

Whoever does that is a poxy moron.

Washing/shopping/waste paper bastard.
Bastardball. Still makes me chuckle hundreds of years later…

Momentarily. I use it like the Yanks do: in a moment, rather than for a moment.

Interrogative. Again from US Military Radio Telephony: I have a question.

I have many more I deliberately misuse to amuse myself. 🙄

“Sausinges!”, as a tacit tribute to my old mate Bluebottle.

Probably a thousand other deliberate mispronunciations also in the style of various Goon Show characters, to be honest. I don’t get out much.