1 [no obj] a : to make the low, continuous sound of a flying insect (such as a bee)
▪ a buzzing bee ▪ Flies were buzzing around the picnic tables.
b : to make a low, continuous sound
▪ The doorbell buzzed loudly.
c : to be filled with a low, continuous sound
▪ My ears were still buzzing [=ringing] hours after the concert. 2 [no obj] : to be filled with activity, excitement, etc.
▪ The hall buzzed with excitement as the audience waited for the show to start. ▪ My mind is buzzing with ideas. 3 a : to send for or signal (someone) by using an electric device (called a buzzer) that produces a loud, low sound [+ obj] ▪ The nurse buzzed the doctor who was on duty. ▪ She buzzed her secretary to say she was going out for lunch. [no obj] — often + for ▪ The nurse buzzed for the doctor.
b [+ obj] : to let (someone) go into or out of a place by using an electric device that produces a loud, low sound as it unlocks a door, gate, etc.
▪ Ring the bell when you arrive and someone will buzz you into the building. ▪ Let me buzz you out. 4 [+ obj] US, informal : to call (someone) on the telephone
▪ Buzz me when you get there. 5 [+ obj] : to fly an airplane low over (something or someone)
▪ The plane/pilot buzzed the people watching the show. 6 [no obj] : to go or move quickly
▪ The host of the party was buzzing around the room talking to everyone.