crash and burncrash and burn, crash-and-burn noun [countable] informal 
an occasion when something fails very quickly or suddenly, especially in a dramatic way: 
His bid for the presidency finally did its crash-and-burn.—crash-and-burn adjective [only before noun]
an occasion when something fails very quickly or suddenly, especially in a dramatic way: His bid for the presidency finally did its crash-and-burn.—crash-and-burn adjective [only before noun]