The affect on your body from consuming massive quantities of cookies (usually chocolate chip). Symptoms typically include: numbness in lower extremities of the body, feelings of bloated-ness leading to an urgent need to lie down on the nearest floor, an inability to communicate with more than single-syllable words, uncontrollable moaning and sighing.
After consuming an entire batch of Ruth's chocolate chip cookies, Ian experienced a severe case of "Cookie Leg", and was last seen in a coma-like state lying on the living room floor.