Nouns

(n)jerky, jerked meat, jerkmeat (especially beef) cut in strips and dried in the sun

Adjectives

(s)arrhythmic, jerking, jerkylacking a steady rhythm“an arrhythmic heartbeat”
(s)choppy, jerkymarked by abrupt transitions“choppy prose”
(s)anserine, dopy, dopey, foolish, goosey, goosy, gooselike, jerkyhaving or revealing stupidity“ridiculous anserine behavior”, “a dopey answer”, “a dopey kid”, “some fool idea about rewriting authors' books”