ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: sell out
1. : the act or an instance of betraying one's cause or associates
the cynical sellout of the League's principles by all concerned was the mortal blow to the peace — New Yorker
2. : a show, exhibition, or contest for which the seats are all sold
every home game has been a sellout
3. : the exhaustion of the supply of an article of merchandise because of an unusual demand
two stores report sellouts on lots of snow suits — Women's Wear Daily