RichThesaurus
get someone's back up
vs
grind one's gears
get someone's back up
verb
To annoy or anger someone.
That joke really got my boss's back up.
grind one's gears
verb
To annoy or irritate one.
How often have the words
get someone's back up
and
grind one's gears
occurred in a corpus of books?
(source:
Google Ngram Viewer
)