give someone the slip
US /ɡɪv ˈsʌm.wʌn ðə slɪp/
UK /ɡɪv ˈsʌm.wʌn ðə slɪp/
1.
to escape from someone who is chasing or following you
:
•
The suspect managed to give the police the slip in the crowded market.
•
We tried to follow them, but they gave us the slip.