(Hong Kong) A day on which a registered charity raises money, usually by selling small stickers.
No comments yet — say something.
Add your own interpretation of "flag day".
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.
Browse all slang words starting with F.
(software) A day designated for changing to an incompatible system.
No comments yet — say something.
(British, Ireland) A day on which a registered charity raises money, usually by selling small lapel flags.
No comments yet — say something.