1knock someone over, knock over someoneBritish (especially of a vehicle) strike or collide with someone so as to cause them to fall to the ground.
- ‘a boy on a bike knocked him over and broke his glasses’
2knock something over, knock over somethingNorth American informal Rob a store or similar establishment.
- ‘they knocked over a liquor store’
- ‘First they're nicking comic books, then knocking off whole banks!’
- ‘If their children develop behavioral disorders at school, drop out, turn to drugs and begin knocking off 7-Elevensthey won't be surprised.’