caffeinated
adjective
1. Containing caffeine naturally (e.g., coffee, tea, and cacao [whose seeds are used to make cocoa, chocolate, and their various derivative products]) or as an additive (e.g., soft drinks, sports drinks, or energy drinks).
2. (slang) Overly peppy or energetic (as in a person or pet).
verb
1. simple past tense and past participle of caffeinate