(Britain, Ireland, Commonwealth, colloquial, Polari) Bad; tasteless, poorly thought out, not workable.
That tie is a bit naff, don’t you think?
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(Polari) Heterosexual.
She was an ordinary woman in her dress style; she didn't wear a leather bodice or naff over-knee plastic spiky-heeled boots.
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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.
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