1) Describing some dogs 2) Having no skin 3) Like hot dogs without casings 4) Like some hot dogs 1) Peeled 
• (a.) Having no skin, or a very thin skin; as, skinless fruit.
Typically used in reference to hot dogs that have no casing. The emulsified meat is stuffed into a casing, cooked, cooled, and then the casing is removed
Skin'less adjective Having no skin, or a very thin skin; as, skinless fruit. 
adjective having no skin