chipper
n.β Β«βThey had ample opportunity to become addictedβon average, theyβd smoked 46,000 cigarettes, but we found not the slightest evidence of dependence: they showed no signs of withdrawal when abstinent. They really could casually take smoking or leave it.” Such nonaddicted usersβ”chippers,” in drug culture parlanceβare also seen among consumers of hard drugs.Β» ββKicking Butts” by Carl Sherman Psychology Today Sept.-Oct., 1994. (source: Double-Tongued Dictionary)