Green’s Dictionary of Slang

chuckle v.

(Aus., Queensland) to vomit; also as n.

[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 21: I’ve had liquid laughs in bars, / And I’ve hurled from moving cars, / And I’ve chuckled where and when it suited me.
[Aus]F.J. Hardy in Great Aus. Lover Stories 63: Euphemisms for vomit [...] include [...] the technicolour laugh and, in Queensland, the chuckle.