Skuddder bottom, often called tire mark, is a term used to depict a smudge left behind by a vehicle while sliding. Skuddder bottoms are visible on highways while slippery conditions, including heavy rain or snow. They function as indicators for likely slipping or loss of control and should be handled carefully. Drivers are advised to lower their speed and keep up a safe distance from skudd bottoms to avoid any potential accidents. Stay safe on the roads!