Real Dictionary

buzz
verb: If something buzzes or buzzes somewhere, it makes a long continuous sound, like the noise a bee makes when it is flying.

buzz in American English
a sound like that of a prolonged z or a bee's hum; buzzing
to make a sound like that of a prolonged z; hum like a bee
to utter or tell (gossip, rumors, etc.) in a buzzing manner

buzz in American English 1
noun: a low, vibrating, humming sound, as of bees, machinery, or people talking

buzz in American English 2
noun: a man's very short haircut; crew cut

buzz in British English
noun: a rapidly vibrating humming sound, as that of a prolonged z or of a bee in flight
verb: to make a vibrating sound like that of a prolonged z