gasper

1. (informal) Something that causes one to gasp in shock, suspense, or awe.Examples: "Viserys unsheathes his dagger and says he’ll have his tongue for this, but his brother is quicker. In a classic Game Of Thrones gasper of a moment, Daemon whips out his sword and slices the top half of Vaemond’s head off like a watermelon. “He can keep his tongue,” the prince remarks, in a savage mic drop."informal

2. (slang) A cigarette.Examples: "Standing on the corner like a just-got-in-town jasper / I'm on a street corner with a gasper"; "The engineer shivers in the bright chill and lights a gasper of his own and tells Madame Psychosis through the intercom that the whole range of levels is fine."; "He blows out the smoke from his gasper full of green shit."slang

3. (BDSM, slang) One who is aroused by autoasphyxiation.slang

4. (slang, aviation) An adjustable air outlet over a passenger seat in aircraft.slang