swarm
swarm
verb
To move or gather in large numbers, often in a chaotic or overwhelming way.
"Children swarmed around the ice cream van."
noun
A large, moving group of insects, especially bees, or a dense crowd of people.
"A swarm of bees flew from the hive."
Thesaurus
Synonyms: horde, drove, pour, teem, pullulate, stream, cloud