As an interjection bzz
is the buzzing sound of a bee, wasp, etc.
As a pronoun moo is
we.
moo
English
Noun
(
en noun)
(onomatopoeia) The characteristic sound made by a cow or bull.
A foolish woman.
- You silly moo ! What did you do that for?
Verb
(
en verb)
Of a cow or bull, to make its characteristic sound.
Synonyms
* low
Interjection
(
en interjection)
The characteristic sound made by a cow or bull.