1. I really liked his earlier music, but I've Chalked him off as a total sellout in recent years

2. 24 NARRATOR: To some of his supporters, the president's change of heart on NAFTA was nothing less than a sellout.

3. Event managers and planners can make use of this modern software solution, to increase Attendee satisfaction and create sellout events with ease

4. Advertising; publicity: The show was a sellout weeks ahead of the opening because of advance Billing. the amount of business done by a firm, especially an advertising agency, within a specified period of time