chirpy

In a good mood; happy and energetic.

He's surprisingly chirpy for someone who just lost his father.

Judging by the new voice over the PA, we've had a crew change in Plymouth - the warning about masks and the apology for lack of catering is made in a chirpy Cockney twang rather than a West Country burr.

Making chirping noises.

An electronic device which uses a piezoelectric transducer to make chirping noise, often designed to be hidden and function as an annoyance

Specifically, a version of the above designed to be thrown for placement. Similar to a throwie.