jerk

1 jerk /ˈʤɚk/ noun
plural jerks
1 jerk
/ˈʤɚk/
noun
plural jerks
Britannica Dictionary definition of JERK
[count]
1 
informal : a stupid person or a person who is not well-liked or who treats other people badly
2 
a  : a quick pull or twist
b  : a sudden sharp movement
2 jerk /ˈʤɚk/ verb
jerks; jerked; jerking
2 jerk
/ˈʤɚk/
verb
jerks; jerked; jerking
Britannica Dictionary definition of JERK
1 
[+ object] : to push, pull, or twist (something) with a quick movement
2 
a  : to move (something) with a sharp, quick motion
[+ object]
[no object]
b  always followed by an adverb, adjective, or preposition : to cause (someone) to move suddenly
[+ object]
— sometimes used figuratively
[no object]

jerk around

[phrasal verb]
jerk (someone) around chiefly US, informal
: to be unfair or dishonest with (someone) : to lie to or cheat (someone)
— often used as (be/get) jerked around

jerk off

[phrasal verb] informal + impolite, of a man