D defs.my
Entry 1 sense Webster, 1913

knockoff

/näk'-ôfˌ/ · knock·off · IPA /nˈɑkˌɔf/
01 n. A cheap imitation of something popular, produced illegally without a license from the trademark owner, and of inferior materials.
  1. 1.
    A cheap imitation of something popular, produced illegally without a license from the trademark owner, and of inferior materials.