sell-out

Từ điển Oxford Advanced Learner 8th

ˈsell-out [sell-out sell-outs] BrE NAmE noun usually singular
1. a play, concert, etc. for which all the tickets have been sold
•Next week's final looks like being a sell-out.
•a sell-out tour
2. a situation in which sb is not loyal to a person or group who trusted them, by not doing sth that they promised to do, or by doing sth that they promised not to do
•The workers see the deal as a union sell-out to management.