Green’s Dictionary of Slang

zool v.

[echoic]

(US campus) to vomit.

[UK]M. Belmonte Compter Science and Why (1993) 🌐 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 [...] zool.