gasper
noun
1
a cigarette. Descriptive of the respiratory effect of tobacco-smoking. Originally military slang for an inferior cigarette, popularised in World War 1, in wider usage by 1930 UK, 1914.
2
a marijuana cigarette. From the earlier sense (cigarette) US, 1984.
3
something that is astonishing US, 1970.
4
in typography, an exclamation mark (!) UK, 2003