English

Definition of jacked adjective from the Oxford Advanced Learner's Dictionary

     

    jacked

     adjective
    adjective
    BrE BrE//ˈdʒækt//
     
    ; NAmE NAmE//ˈdʒækt//
     
    (also jacked up) (especially North American English, informal)
     
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  1. 1feeling more awake or having more energy because of the effects of a drug or a similar substance I think she was jacked on caffeine because she wouldn't stop talking.
  2. 2(of a person) having big muscles How does he maintain his jacked physique?

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