grey market
noun /ˌɡreɪ ˈmɑːkɪt/
/ˌɡreɪ ˈmɑːrkɪt/
(US English usually gray market)
[usually singular]- a system in which products are imported into a country and sold without the permission of the company that produced them
- (British English) old people, when they are thought of as customers for goods