Definition of Black Friday
1(in the US) the day after Thanksgiving, noted as the first day of traditional Christmas shopping, during which crowds of consumers are drawn to special offers by retailers: folks were lining up to buy $30 DVD players at Wal-Mart on Black Friday
[originally with reference to the congestion of shoppers in commercial districts; later explained as a day when retailers’ accounts went from being in the red
to being in the black
2Friday, September 24, 1869, when an attempt by a few speculators to corner the US gold market was thwarted by President Ulysses S. Grant’s release of government gold for sale, making gold prices plummet and creating a panic in the stock market.