rip off
US /rɪp ˈɔːf/
UK /rɪp ˈɔːf/

1.
to cheat someone, especially by charging them too much money for something
:
•
That store really ripped me off with that broken phone.
•
Don't let them rip you off; negotiate the price.
2.
to steal something
:
•
Someone ripped off my bike last night.
•
The band was accused of ripping off another artist's song.