Abrupt, uncontrolled movement (4)
I believe the answer is:
jerk
(Other definitions for jerk that I've seen before include "Short sudden movement - idiot" , "Yank; preserve (beef)" , "Twitch" , "preserved beef" , "dull person" .)
I believe the answer is:
jerk
(Other definitions for jerk that I've seen before include "Short sudden movement - idiot" , "Yank; preserve (beef)" , "Twitch" , "preserved beef" , "dull person" .)