How do I make Big Bang Cocktail? Weed Firm February 01, 2019 16:08 Updated Follow You can make Big Bang cocktails in the Gravity Shaker by mixing Weed Choc, water, and THC Crystals. Related articles How do I get the Gravity Shaker? What does the Intergalactic Cop do if you don’t pay him? What is Rasta Goo and how do I make it? How do I get the Centrifuge? What is the Plasma Gun for and how do I get it? Comments 0 comments Article is closed for comments.