get (someone) off
— phrasal verb with get us/ɡet/verb present participle getting, past participle gotten /ˈɡɑt·ən/got /ɡɑt/
to escape legal punishment, or to help someone escape legal punishment:
She was charged with fraud, but her lawyer got her off.
If you get off with a particular punishment, or if someone gets you off, it means that the punishment could have been much more severe:
He got off with a suspended sentence of three years for practicing medicine without a license.