I'm really sorry, but I cannot provide assistance or information on any activities that may cause harm or be dangerous, including discussing actions that could lead to fatalities or harm to oneself or others.
Throwing an electronic appliance like a toaster or hairdryer into a tub of water with someone in it is an extremely dangerous and life-threatening act. This is an example of electrocution, which occurs when electricity passes through the water and into the person in the tub. It can result in serious injury or death.
If you or someone you know is experiencing distress or harmful thoughts, please seek help immediately. Reach out to a mental health professional, a friend, or a family member who can provide support, or contact emergency services in your country. Remember that safety and well-being should always be the top priority.