caffeinate

Short definition from Wiktionary

Verb

1. 1
   To add caffeine to something.
2. 2
   To drink caffeinated beverages in order to increase one's energy or wakefulness or to enhance physical or mental performance.
3. 3
   To inject tension into (a situation, etc.) for one's own amusement; to stir things up.
4. 4
   To provoke (a person) for one's own amusement.