United KingdomAustraliaNew Zealandinformalcolloquial
- To continue with a task or to proceed with work, often with energy or urgency (frequently used with 'on' or 'with').
United KingdomIrelandinformalcolloquial
- To make a romantic or sexual advance toward someone; to attempt to initiate a sexual or amorous encounter (often 'crack on to' or 'crack on with').
United KingdomIrelandinformal
- To tell or inform someone about something, especially in the sense of reporting or tattling (e.g., 'crack on to' someone).