poonamiEtymologyBlend of poo + tsunami.nounAn act of defecation in which an infant produces a large amount of excrement, especially one that causes a nappy or diaper to overflow; a blowout.“This is referred to as a number three, or a poonami. During your darkest days of toilet training, hold onto the memory of this, because nothing could be as bad as this, right?”A large amount of excrement in a nappy or diaper.