Buzz, n. 1. A continuous, humming noise, as of bees; a confused murmur, as of general conversation in low tones, or of a general expression of surprise or approbation. “The constant buzz of a fly.” Macaulay.
I found the whole room in a buzz of politics.
Addison.
There is a buzz all around regarding the sermon.
Thackeray.
2. A whisper; a report spread secretly or cautiously.
There's a certain buzz
Of a stolen marriage.
Massinger.
3. (Phonetics) The audible friction of voice consonants. H. Sweet.