NWBIG

Shorthand for “Not Worth Buying In Gen[uine]” — community slang for the moment a replica has gotten close enough to the real thing that buying the authentic version stops making sense to the person saying it. It's used as commentary on the state of a specific reference, not as an instruction, and it sits below “Super Rep” in the informal quality-tier vocabulary the community has settled on by consensus rather than any single authority.

Source: Replica Watch Info forum, “Consensual list — Super Reps & NWBIGs”; also documented usage across r/RepTime, RepGeek and Watch Replica Guide (RWG) tier discussions.