headphonewall
/ˈhɛdˌfəʊnwɔːl/nounVerified NewThe wearing of headphones in a gym as a standing signal that conversation is not welcome.
The wall works even when nothing is playing, and everyone knows it. It is the gym's closest thing to privacy law: a portable, self-declared boundary that replaces the awkward "I'm mid-set" refusal.
Etym. — headphone + wall — the barrier is acoustic in appearance only; its function is social.
Rel. — setlock
Novelty check: NEW · checked 2026-11-08
review evidence: wordstoreview/review-batch-3-07-sport.md
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Method: Editorial batch review — per-word exact-form web search (WebSearch/Tavily) per docs/REVIEW-criteria.md §2