This recipe was discovered/invented by the sibling of my dear friend Cockleburr. You will need:
Combine these in a cup. It will produce an enormous amount of terribly impenetrable foam. Don't worry about the foam.
Although there should only be maybe ~95g of caffeine total in this, it feels like way, way more. The first time I drank it I lost time. It doesn't taste great but I will proudly vouch for it as what marketing execs are beginning to call "functional beverages".
This one I have cocreated.
Combine gin, absinthe, pina colada mix, and celery salt; shake. Strain into rocks glass full of ice, top with half & half.
Inspired by this vice article.
Fill a 20-oz snifter glass with ice. Dump everything in there, top off with juice. Probably don't drink this.