Definition

/bʌz/

noun

A continuous, humming noise, as of bees; a confused murmur, as of general conversation in low tones.
A whisper.
The audible friction of voice consonants.
A rush or feeling of energy or excitement; a feeling of slight intoxication.
“Still feeling the buzz from the coffee, he pushed through the last of the homework.”
A telephone call or e-mail.

verb

To make a low, continuous, humming or sibilant sound, like that made by bees with their wings.
To show a high level of activity and haste (alluding to the common simile "busy as a bee"). Often in the colloquial imperative "Buzz off!"
To whisper; to communicate, as tales, in an undertone; to spread, as a report, by whispers or secretly.
To talk to incessantly or confidentially in a low humming voice.
To fly at high speed and at a very low altitude over a specified area, as to make a surprise pass.