Do Aliens have Big D YouTubeSkudd bottom, commonly referred to as skid spot, is a term used to characterize a blemish left behind by a car while sliding. Skuddderbutts are visible on roads while icy weather, including heavy rain or snow. The skid marks act as signs to possible slipping or loss of control and should be handled carefully. Motorists are cautioned to decrease their speed and preserve a safe distance from skuddbutts to steer clear of any potential accidents. Stay safe on the roads!