[sell out] vt (1796) 1: to sell the goods of (a debtor) in order to satisfy creditors
2: to sell security or commodity holdings of usu. to satisfy an uncovered margin 3 a: to sell all the available tickets for b: to sell all of "the merchandise was quickly sold out" ~ vi 1: to dispose of one's goods by sale; esp: to sell one's business
2: to betray one's cause or associates
3: to be or achieve a sellout