Hold your Wee for a Wii contest. A mom trying to win a popular gaming console for her kid is killed participating in a radio-show contest.

On January 12, 2007, KDND's morning show, the Morning Rave, held an on-air contest entitled Hold Your Wee for a Wii, in which contestants were asked to drink as much water as they could without urinating... A 28-year-old contestant, Jennifer Strange, died of water intoxication hours after taking part in the contest.

https://en.wikipedia.org/wiki/KDND#%22Hold_Your_Wee_for_a_Wii%22_contest