Concise definition
Breath play
Breath or airway-adjacent play, including anything that intentionally restricts breathing or neck/airway access. This is high-risk edge play and there is no medically safe way to do choking or strangulation.
Also known or searched as: Erotic asphyxiation, Airway play, Breath control
This Lexicon entry defines the term without assuming interest, readiness, experience, or consent.