Definition of buzz verb from the Oxford Advanced Learner's Dictionary

buzz

verb

bʌz

bʌz

1 [intransitive] (of a bee) to make a continuous low soundBees buzzed lazily among the flowers.2 [intransitive] to make a sound like a bee buzzingThe doorbell buzzed loudly.My ears were buzzing (= were filled with a continuous sound).3 [intransitive] to be full of excitement, activity, etcNew York buzzes from dawn to dusk.My head was still buzzing after the day's events.buzz with something The place was buzzing with journalists.4 [intransitive, transitive] buzz (something) (for somebody/something) to call somebody to come by pressing a buzzerThe doctor buzzed for the next patient to come in.5 [transitive] buzz somebody/something (informal) to fly very close to somebody/something, especially as a warning or threat

Phrasal verbs

buzz about/around

to move around quickly, especially because you are very busyI've been buzzing around town all day sorting out my trip.

buzz off

(informal) used to tell somebody rudely to go awayJust buzz off and let me get on with my work.