on it
Fetched 2026-11-05 (live).
Related words from Datamuse; suggestions, not definitions.
Prepositional phrase
- Actively doing something, or working to solve a (specified) problem.
- —Jack, could you take a look at my computer? It won't boot up. —I'm on it!
- Performing at a high level; on good form.
- Verstappen was lacklustre yesterday, but today he's really on it, posting the fastest lap time by half a second.
Source: Wiktionary · CC BY-SA 3.0 (Wiktionary) · cached copy, not a rewrite.