also: ブートレッグ · ブーツレッグ · ブーツレグ
noun which may take the genitive case particle 'no', noun
Refers to unauthorized or illegally produced goods, especially recordings, alcohol, or software. Used as a noun or with の to modify another noun.
He ended up buying a bootleg CD.
The bootleg liquor at that bar is cheap, but the quality is poor.