buzz

sound of rapid vibration

“the buzz of a bumble bee”

be noisy with activity

“This office is buzzing with activity”

make a buzzing sound

“bees were buzzing around the hive”

a confusion of activity and gossip

“the buzz of excitement was so great that a formal denial was issued”

call with a buzzer

“he buzzed the servant”

fly low

“Planes buzzed the crowds in the square”