Green’s Dictionary of Slang

Hughie n.

also Huey
[echoic of the noise of vomiting]

(US/Aus.) used in phrs. pertaining to vomiting.

[US]D. Burke Street Talk 2 24: Talk to Ralph/Huey on the big white phone [...] ‘Huey’ is close to the sound that one would make while vomiting.
[Ire]P. Howard Miseducation of Ross O’Carroll-Kelly (2004) 238: One bucket for, like, crap, one for piss and one for Huey.

In phrases

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

to vomit.

[UK]M. Belmonte Compter Science and Why (1993) [Internet] I was struck with [...] the plethora of words and phrases meaning ‘vomit’ and/or ‘to vomit’ [...] At most American colleges and universities, a weekend cannot pass without seeing multitudes [...] talk to Huey.