Ema Nymton Share definition Flag A false name given to avoid revealing one's identity. "Not my name" spelled backwards. Excerpt from game "Under a Killing Moon": "Every P.I. worth his salt knows 'Ema Nymton' is 'Not my name' spelled backwards. Ema Nymton by dolst May 10, 2006 Get the Ema Nymton mug.