Charles Dawson's Piltdown Man.
Or fictious lie - "Honey, where were you?"... "I was working late." - In actuality, the husband bought his wife flowers at Kroger on his way home for Mother's Day the next day. He will give them to her tomorrow, but for now they are in the garage refrigerator where she never goes. He spoke, it isn't broke....yet.
Besides, I already agreed that your answer should be accepted.
