Jerk

cahot

(quick, often unpleasant tug or shake)

clonie

(sudden, uncontrolled movement)

con

(unlikable person)

conard

(unlikable person)

connard

(unlikable person)

convulsion

(sudden, uncontrolled movement)

crétin

(unlikable person)

myoclonie

(sudden, uncontrolled movement)

saccade

(quick, often unpleasant tug or shake)

secousse

(quick, often unpleasant tug or shake)

soubresaut

(sudden, uncontrolled movement)

spasme

(sudden, uncontrolled movement)

suraccélération

(physics: rate of change in acceleration)

sursaut

(sudden, uncontrolled movement)

tic

(sudden, uncontrolled movement)

tressaillement

(sudden, uncontrolled movement)