“Jackasses should be lynched.”
Were it me, being lynched would be the second worse nightmare.
Even a small amount of antifreeze can cause renal failure. Maybe not immediately, but damage will show up down the road.
In most locales it is required that a bittering agent be put into antifreeze to make it unpalatable. Before bittering agent is added, antifreeze has a sweet flavor that appeals to children and pets.