relentless
A fruit energy drink, high in caffeine. Add pro-plus and a bit of vodka, you'll be bouncing off walls in no time.
Example:
Hey did you just see Jimmy!? He downed a relentless cocktail of pro-plus and caffeine, then he jumped out of the window thinking he could fly!
Hey did you just see Jimmy!? He downed a relentless cocktail of pro-plus and caffeine, then he jumped out of the window thinking he could fly!