Gd it, I was sure a minute after my initial replies that you'd tricked me with your superior bookish ways. I don't know what to think now 😵‍💫

This could be AI. Just checked gpt and it fails me, only giving ethnic meanings.

Could it be a UK thing?

At any rate, I'll go back to trusting you. Thought I'd heard it before, but apparently it's a brand new word