chirpy /ˈt͡ʃɜː(ɹ)pi/adjective 2noun 2forms 3 adjective2 •Making chirping noises. •In a good mood; happy and energetic.He's surprisingly chirpy for someone who just lost his father. noun2 •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. formschirpies · chirpier · chirpiest