phrase
informal Used to exhort someone to prompt or immediate action.
- ‘get back to work—come on, jump to it!’
- ‘I'll be firing as fast as you can load them, so jump to it!’
- ‘In the car he demands Elvis on the CD player and woe betide us we don't jump to it at once.’
- ‘I've work to do and you, I believe, have some study? Now jump to it.’
hurry up, get a move on, be quick