Definition of small-gang in US English:

small-gang

verb

rare, slang
  • with object Of a group of people: to attack (a person) together.

Origin

Mid 19th century; earliest use found in Henry Mayhew (1812–1887), author and social reformer. From small + gang.

Pronunciation

small-gang

/ˈsmɔːlɡaŋ/