A state of physical condition; kilter or trim.
What’s yer fettle marra?
No comments yet — say something.
One's mental state; spirits.
What’s yer fettle marra?
No comments yet — say something.
Sand used to line a furnace.
What’s yer fettle marra?
No comments yet — say something.
Add your own interpretation of "fettle".
The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
See all Tech, Dev & AI slang on Slangora.