n. the event of selling all of something. (Advertising.) : Come to our gigantic sellout of all name-brand merchandise!
n. a betrayal. (See also sell (so) out.) : Any one of you could have stood up for me. What a sellout!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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