herky-jerky

herk·y-jerk·y

H0163350 (hûr′kē-jûr′kē)adj. Spasmodic, irregular, and unpredictable, as in movement or manner.
[ Reduplication of jerky.]

herk•y-jerk•y

(ˈhɜr kiˈdʒɜr ki)

adj. progressing in a fitful or jerky manner. [1955–60; rhyming compound based on jerk1, -y1]