Mare's nest

Mare's nest may refer to


 * "excitement over something which does not exist"; see
 * The Mare's Nest, a 1964 book by David Irving about the German V-weapons campaign
 * Maresnest, a video release for All That Glitters Is a Mares Nest by Cardiacs
 * "Mare's Nest", a song by Cardiacs from On Land and in the Sea