Meaning of gang-up in English:

gang-up

Pronunciation /ˈɡaŋʌp/

noun

  • 1informal An act of ganging up to oppose or attack someone or something.

  • 2informal A gathering or group of friends or colleagues; a meeting of a gang.

  • 3informal, rare Gang-bang.

Origin

1930s; earliest use found in The Chicago Tribune. From gang + up.