English edit

Etymology edit

over- +‎ caffeinate

Verb edit

overcaffeinate (third-person singular simple present overcaffeinates, present participle overcaffeinating, simple past and past participle overcaffeinated)

  1. To imbibe or cause to imbibe too much caffeine.
    • 2003, Vicki Iovine, The Girlfriends' Guide to Parties and Playdates, →ISBN:
      Jimmy, my husband, swears I always overcaffeinate the morning of a child's party.
    • 2004, Imogen Edwards-Jones, Hotel Babylon, page 76:
      So the waiters used to deliberately overcaffeinate him.
    • 2016, Fortune's Special Delivery, →ISBN, page 36:
      It probably hadn't been the best idea to overcaffeinate before this conversation.
    • 2017, Robb Wolf, Wired to Eat, →ISBN:
      I have seen people seriously overcaffeinate, as your tolerance will be less than when you are eating regular meals.