Do Aliens have Big D YouTubeSkuddderbutt, often called skid mark, is a term used to characterize a stain left behind by a car while sliding. Skudderbutts are noticeable on highways while slippery situations, including heavy rain or snow. The skid marks function as signs for likely slipping or loss of control and ought to be handled carefully. Vehicle operators are advised to lower their speed and preserve a safe distance from skudder bottoms to prevent any potential crashes. Stay safe on the roads!