jump on

verb

jumped on; jumping on; jumps on

informal

1

: to become very angry at (someone) : to angrily criticize or shout at (someone)

The teacher jumped on us for being late.

The coach jumped on him for not playing hard enough.

2

: to strongly attack or criticize (something)

She was quick to jump on her rival's poor record as governor.

3

: to get on (a train, bus, etc.)

He jumped on a plane and headed home.