overcaffeinate

Etymology

From over- + caffeinate.

overcaffeinate means to imbibe or cause to imbibe too much caffeine. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

verb

To imbibe or cause to imbibe too much caffeine.“Jimmy, my husband, swears I always overcaffeinate the morning of a child's party.”
To add an excessive amount of caffeine to something.