water intoxication? never in my life have i heard of that"
Water in excess amounts washes out your electrolytes. If your metabolism gets all out of whack, you can die.
Having said that- I nominate her for a 2007 finalist for the Darwin awards. She died for an electronic toy. Something she didn't NEED to live her daily life.
She had three kids. You have to die without passing on genes to qualify.