Definition of "Buzz" :

noun: a confusion of activity and gossip

"The buzz of excitement was so great that a formal denial was issued."

noun: sound of rapid vibration

"The buzz of a bumble bee."

verb: call with a buzzer

"He buzzed the servant."

verb: fly low

"Planes buzzed the crowds in the square."

verb: make a buzzing sound

"Bees were buzzing around the hive."

verb: be noisy with activity

"This office is buzzing with activity."