Skudder bottom, also known as skid mark, is a term used to depict a spot left behind by a automobile while sliding. Skudderbutts are noticeable on streets during slippery weather, including heavy rain or snow. These marks act as indicators of likely slipping or loss of control and should be handled carefully. Drivers are cautioned to reduce their speed and preserve a safe distance from skudder bottoms to prevent any potential accidents. Stay safe on the roads!