Tin Shed

To give off, discharge, or expel from the body of a plant or animal: such as. : to eject, slough off, or lose as part of the normal processes of life. a caterpillar shedding its skin. a cat shedding hair. a deciduous tree sheds its leaves in the fall.Slang. a small quantity of an illicit drug, especially from two to five grams of cocaine: usually sold in a small plastic bag, a glassine envelope, or often a small tin container. British Slang.