Definition from Wiktionary, the free dictionary
gasper (plural gaspers)
- A person or animal that gasps.
- (UK, slang) A cigarette.
- (BDSM, slang) One who is aroused by asphyxiation.
- 1999, "floodin...@webtv.net", gay male gaspers/breath control and choking roleplay. (on newsgroup alt.sex.necrophilia)