Meaning of “get (sb) off (sth)” - Learner’s Dictionary

get (sb) off (sth)

phrasal verb with get uk us /ɡet/ verb (present participle getting, past tense got, past participle got, US gotten)

to avoid being punished for something you have done wrong, or to help someone avoid getting punished for something they have done wrong:

He got off with a 20 euro fine.

(Definition of “get (sb) off (sth)” from the Cambridge Learner’s Dictionary © Cambridge University Press)