give someone the slip
• evade or escape from someone.
• "we gave them the slip at the station"
Similar:
escape from,
get away from,
evade,
dodge,
elude,
lose,
shake off,
throw off,
throw off the scent,
get clear of,
get rid of,
get free from,
break away from,
leave behind,
ditch,
get shot of,
bilk,