同归于尽。来自扑克牌游戏锄大弟的博弈概念。参赛者已知难逃被罚二倍或三倍（“炒双”、“炒三”），从而拖人下水、玉石俱焚、相互毁灭。有“伤敌八百，自损一千”的盘算。

inflicting heavy damage on the enemy at great cost to oneself; losing a thousand while costing the opponent eight hundred.