Skudd bottom, often called skid mark, is a term used to characterize a smudge left behind by a automobile during skidding. Skudder bottoms can be seen on highways while slick situations, like heavy rain or snow. These marks function as warnings to possible slipping or lack of traction and must be treated with care. Vehicle operators are advised to decrease their speed and maintain a safe distance from skudderbutts to avoid any potential accidents. Stay safe on the roads!