Skudder bottom, commonly referred to as tire mark, is a term used to characterize a stain left behind by a motorcycle when it skids. Skuddder bottoms are noticeable on highways while icy situations, such as heavy rain or snow. They function as warnings of possible slipping or lack of traction and ought to be approached with caution. Drivers are recommended to reduce their speed and preserve a safe distance from skuddbutts to avoid any potential accidents. Stay safe on the roads!