jacked up on (something)

jacked up on (something)

Made extremely excited, energetic, jumpy, or enthusiastic by something. In college, I used to spend many a night jacked up on caffeine writing terms papers or studying for exams at the last minute. If you want to see craziness, trying spending an afternoon with a bunch of kids jacked up on cake, candy, and soda.
See also: jacked, on, up
Farlex Dictionary of Idioms.
See also:
  • jacked (up)
  • get (one's) rocks off on (something)
  • perky
  • key up
  • keyed up
  • in overdrive
  • hyper
  • hyped (up)
  • have a spring in (one's) step
  • into overdrive