Green’s Dictionary of Slang

Hughie n.

also Huey
[echoic of the noise of vomiting]

[1950s+] (US/Aus.) used in phrs. pertaining to vomiting.

In phrases

call (for) Hughie (v.)

[1960s+] to vomit.

talk to Hughie (v.) (also talk to Huey)

[1960s+] to vomit.