Buzz for (one) phrase
To use a device that emits a buzzing sound (such as a doorbell or intercom) to try to grab someone's attention.
I buzzed for my colleague to say that I was going out for lunch.
The nurse buzzed for the next patient.
The sound made when the ball hits the bat in cricket
Used to to emphasize that attention is paid to the individuals who complain or cause problems
Push someone with your finger or elbow to get their attention
Everybody, pay attention to me.
The verb "buzz" should be conjugated according to its tense.
It was often said by a photographer when he would like small children to look at the camera and smile before he took a photo.
When the photographer said “watch the birdie”, all of us looked at the camera and smiled.