1 As time goes on, the child is less and less able to hold the stool in-more and more stool leaks, and eventually the child passes entire bowel movements into his or her underwear.  Often the child is not aware that he or she has passed a bowel movement.
n. 1. (Textiles). a. a cotton fabric treated with oil and pigment to make it waterproof. b. (as modifier): an oilskin hat. 2. (Clothing & Fashion) (often plural) a protective outer garment of this fabric.
Heavy Duty Nylon Fabric that was once used to make ballistic protective equipment. This is the same high quality water resistant, abrasion resistant ballistic fabric found in the Insanely Expensive top of the line soft luggage, sometimes called 'sharkskin' or shark skin fabric; it is actually this high tenacity nylon material. Coated with Polyurethane on one side for water resistance.