From paralytic + -o (“diminutive suffix”).
- (slang, colloquial, Australia) Very drunk, intoxicated.
- I was so parro that I pissed in the sink.
2018 April 25, Damian Parish, “"**Justice for Martin Bryant....Public Inquiry needed on Prt Arthur**"”, in soc.culture.australian, Usenet:
- I've made better web pages when I've been parro.
2018 August 19, Dan, “Asian drivers”, in aus.cars, Usenet:
- Just like being completely parro but without touching any booze.