compromising of a person's principles by forgoing the long-term benefits of the collective or group in exchange for personal gain, such as money or power.
The star quarterback left our team in free agency for more money after he promised to never leave until we won a championship, he's a sell out!
by putchuon December 8, 2022
Omg, this girl got drunk just so her friends would think she was cool, what a Logan Paul. (sell out)
by whatever2.0 March 18, 2019
3..2....Bro the time is running out *turnover* Bruh you a sellout you are trash at the game (the use of the word sell out is causing the team to loose)
by Coconut BoBBY July 23, 2019
When a band or solo artist becomes extremely popular and changes the style and sound of their music make more money, and to earn a spot on the "Top 40" music charts.
by EJ5 September 3, 2015