RichThesaurus
get someone's Irish up
vs
piss off
get someone's Irish up
verb
To anger or annoy someone.
piss off
verb
To annoy, anger
To leave, to go away.
intj
Go away!
How often have the words
get someone's Irish up
and
piss off
occurred in a corpus of books?
(source:
Google Ngram Viewer
)