Buzz. Buzz buzz buzz.
Buzz is background noise.
Buzz is the conversation in another room.
Buzz is the interruption of a doorbell or phone.
Buzz murmers. Buzz hums.
Buzz is to summon someone you don't really want to speak to but have to out of necessity, like when you're checking into a hotel or paying a fine in the council chambers.
Buzz is what bees do, or a nest of wasps.
Buzz is a mind overfilled with thoughts.
Buzz is an aeroplane, that flies too close.
Buzz rhymes with fuzz.
Buzz rhymes with does.
What does, Buzz?