jerk

noun

1.
a dull stupid fatuous person
dork
Derived from:
jerky
2.
an abrupt spasmodic movement
Barnaby hurtle jerking jolt saccade
Derived from:
jerk jerky
3.
(mechanics) the rate of change of acceleration
4.
meat (especially beef) cut in strips and dried in the sun
pizzle jerked meat jerky
5.
raising a weight from shoulder height to above the head by straightening the arms
6.
a sudden abrupt pull
tye tug
Derived from:
jerk