Faye Shapeshifter NewgroundscomSkuddder bottom, often called skid spot, is a term used to characterize a stain left behind by a car when it skids. Skudderbutts are visible on highways in the midst of slick situations, such as heavy rain or snow. These marks serve as indicators for potential slipping or loss of control and should be handled carefully. Motorists are cautioned to reduce their speed and preserve a safe distance from skuddder bottoms to steer clear of any potential collisions. Stay safe on the roads!