What is Ganging?

Ganging definition and meaning on Dictionary terms:
a group or band: A gang of boys gathered around the winning pitcher.
a group of youngsters or adolescents who associate closely, often exclusively, for social reasons, especially such a group engaging in delinquent behavior.
a group of people with compatible tastes or mutual interests who gather together for social reasons: I’m throwing a party for the gang I bowl with.

a group of persons working together; squad; shift: a gang of laborers.
a group of persons associated for some criminal or other antisocial purpose: a gang of thieves.
a set of tools, electronic components or circuits, oars, etc., arranged to work together or simultaneously.
a group of identical or related items.

verb (used with object)
to arrange in groups or sets; form into a gang: to gang illustrations for more economical printing on one sheet.
to attack in a gang.

verb (used without object)
to form or act as a gang: Cutthroats who gang together hang together.

Verb Phrases
gang up on, Informal. (of a number of persons) to unite in opposition to (a person); combine against: The bigger boys ganged up on the smaller ones in the schoolyard.