Collective bully 

A group of people that tries to push one person around.

A collective bully is still a bully, just like a collective asshole that seems like it has many nice and unselfish parts is still an asshole.

Collective bully by Solid Mantis April 27, 2021

Collective bully 

A group of people that thinks they are nice and unselfish, but is really a bully together.

He had broken free of the chokehold on his mind (and body) of the collective bully.

Collective bully by Solid Mantis April 28, 2021

Collective bully 

A group of people that together, in numbers (a safe position), has the personality of a bully.

The collective bully was waving at and teasing that guy.

Collective bully by The Original Agahnim December 17, 2021