JERKY

[jer.ky] n [Sp charqui, fr. Quechua ch'arki] (1850): jerked meat

[2]jerky adj jerk.i.er ; -est (1858) 1 a: moving along with or marked by fits and starts b: characterized by abrupt transitions

2: inane, foolish -- jerk.i.ly adv -- jerk.i.ness n