PX store

Etymology
From, due to the initially illegal import trade in the then-US military bases in the Philippines, particularly 's and  in. Its illicit trade died out when trade was liberalized around the 1990s, opening the door for legal freeport zones in and  for more legalized imported goods in duty-free stores and supermarkets instead.

Noun

 * 1)  a store that sells import-restricted imported grocery items