The amount of methamphetamine needed to fill a bulbous-ended, glass door and utensil, or pipe, which causes actual fear. The loss of ones "bag" or the insufficient amount in ones possession are usually the first signs of this phobia becoming the debilliating disorder that can cause the person to become a recluse and unable to interact with other methamphetamine users. A rare psychological disorder found to affect the local population of Canyon Lake, Tx on an individual basis, from time to time.