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.
oilÂ·skin. n. 1. Cloth treated with oil to make it waterproof. 2. a. A garment made of oilskin or of a synthetic waterproof material, generally used by sailors. b. or oilskins A set of such garments.