crack on

verb4

1. •
   (informal) To continue (at a task) briskly or promptly.

   • Naked Twister will have to wait. I've got to crack on with my essay.
2. •
   (informal) To continue apace.

   • The project is really cracking on.
3. •
   (slang) To crack down on or arrest (someone).

   • They need to crack on those drug dealers.
4. •
   (old-fashioned) To put on.