Kostenlose Online-Wörterbücher: Übersetzungen auf Englisch, Spanisch, Französisch, Italienisch, Chinesisch, Russisch, Definitionen, Synonyme etc.
jerk  (jerks plural & 3rd person present) (jerking present participle) (jerked past tense & past participle )
1  verb If you jerk something or someone in a particular direction, or they jerk in a particular direction, they move a short distance very suddenly and quickly. 
Mr Griffin jerked forward in his chair...  V adv/prep 
`This is Brady Coyne,' said Sam, jerking his head in my direction...  V n adv/prep 
Eleanor jerked her wrist free...  V n adj 
  Jerk is also a noun., n-count 
He indicated the bedroom with a jerk of his head.  
2  n-count If you call someone a jerk, you are insulting them because you think they are stupid or you do not like them. 
INFORMAL, OFFENSIVE, disapproval 
3 
  knee-jerk 


knee-jerk  
If you call someone's response to a question or situation a knee-jerk reaction, you mean that they react in a very predictable way, without thinking.  adj ADJ n  (disapproval)  The knee-jerk reaction to this is to call for proper security in all hospitals.