English definition of “sell out (something)”
sell out (something) (EXCHANGE ALL)
› to get rid of all of an item in exchange for money: We sold out (of) the T-shirts in the first couple of hours. Ten of the Huskies' 15 home games are already sold out (= all the tickets have been bought). › If a business sells out, it receives money in exchange for control of it: The owners of the Meadowlark Inn said they would be willing to sell out at a fair price.