Sudden shake (4)
I believe the answer is:
jolt
(Other definitions for jolt that I've seen before include "bump" , "Shock, jerk" , "Sudden jerk" , "elbow" , "Knock sharply so as to dislodge" .)
I believe the answer is:
jolt
(Other definitions for jolt that I've seen before include "bump" , "Shock, jerk" , "Sudden jerk" , "elbow" , "Knock sharply so as to dislodge" .)