epic fail
An especially big or embarrassing blunder. I can't believe I called the CEO by the wrong name! What an epic fail. I tried to bake a cake for my sister's birthday, but I accidentally used salt instead of sugar. Epic fail.
a disaster of epic proportions
A catastrophe. Often used figuratively. Meteorologists have been predicting that the hurricane will be a disaster of epic proportions for us because we're so close to the coast. Oh, my attempt to ask Addison to the dance was a disaster of epic proportions—I could only squeak out a few incoherent words before turning completely red and running away.
disaster of epic proportions
Cliché a very large disaster. (Often jocular.) The earthquake was responsible for a disaster of epic proportions. Your late arrival caused a disaster of epic proportions.