The answer to the crossword question “Response to a wild story is YOUDIDWHAT” is likely to be an expression of surprise or disbelief at something that has been said. The phrase “you did what” is often used in this context as a way of expressing incredulity or skepticism about a particular claim or story that someone has told. It implies that the listener finds the story hard to believe and is asking for more information or clarification. The phrase may also be used in a more playful or teasing way, as a humorous way of expressing surprise or amazement at a friend’s antics or misadventures. Overall, the answer to this crossword question suggests a reaction of surprise or disbelief in response to an unusual or outrageous story.