"The Sting You'll Never Forget" is a nickname for the Gympie-Gympie tree, a species of stinging tree native to northeastern Australia. It is known for its extremely painful sting, which can last for months or even years. The sting is caused by tiny, needle-like hairs on the leaves, stem and fruit of the tree that release a toxic venom when they come into contact with skin.
Symptoms of a Gympie-Gympie sting include intense pain, itching, burning, and swelling. In severe cases, it can cause blisters, rashes, and even temporary paralysis. The sting can also cause severe psychological distress and can lead to post-traumatic stress disorder (PTSD).
The Gympie-Gympie tree is considered one of the most dangerous plants in the world due to its highly toxic venom and the prolonged, intense pain it can cause. It is recommended to avoid contact with the plant and to seek medical attention immediately if stung.
It's worth noting that the nickname "The Sting You'll Never Forget" is a hyperbolic name and many people have been stung by it and moved on with their lives. The venom of the tree is not lethal, however, the pain caused by the sting can be severe and long lasting.