RichThesaurus
get someone's Irish up
vs
ruffle some feathers
get someone's Irish up
verb
To anger or annoy someone.
ruffle some feathers
verb
To cause a disturbance; to arouse resentment, anger, or concern.
How often have the words
get someone's Irish up
and
ruffle some feathers
occurred in a corpus of books?
(source:
Google Ngram Viewer
)