British & Australian to do something to make someone hurry.
We're going to have to put a rocket under Tim if we want to catch that train.
(redirected from put a rocket under)
put a rocket under (someone or something)
To motivate or give someone an incentive to do something faster, better, or with greater energy or enthusiasm. Primarily heard in UK. It's been over a week now and we still haven't gotten our delivery! I think it's time you called customer support and put a rocket under them.Here's hoping the new manager will put a rocket under his squad, because they've been looking like amateurs the past few games.