バリバリ

1. 1vigorously (ripping, tearing, scratching, etc.) ; roughly ; with a rip Translated by Jiyomi
2. 2(eating) with a crunch
3. 3stiff ; starchy ; crisp
4. 4(working) hard ; energetically ; vigorously ; furiously
5. 5with a series of loud, repeated sounds (e.g. firing a machine gun, revving an engine) ; with a lot of (continuous) noise

Other writings and readings

JMdict entry 1010340 · frequency rank 50. Source and licence.