Real Dictionary

bootleg
Bootleg is used to describe something that is made secretly and sold illegally.
verb: To bootleg something such as a recording means to make and sell it illegally.

bootleg in American English
bootlegged; illegal
the part of a boot that covers the leg
to make, carry, or sell (esp. liquor) illegally
adjective: made, sold, or transported unlawfully
intransitive verb: to make, transport, or sell something, esp. liquor, illegally or without registration or payment of taxes
noun: alcoholic liquor unlawfully made, sold, or transported, without registration or payment of taxes
transitive verb: to deal in (liquor or other goods) unlawfully

bootleg in British English
adjective: produced, distributed, or sold illicitly
noun: something made or sold illicitly, such as alcohol during Prohibition in the US
verb: to make, carry, or sell (illicit goods, esp alcohol)