Butt Plug was invented by Prem Shah and Jason Borchers. The idea came from a similar drink called Spark Plug, which uses Sparks as it’s main ingredient. The two Mixtures will combine into a neon green immediately on contact for cool effects and awesome taste. Fill a Beer glass or an Old Fashioned Glass 1/2 with Red Bull® Energy Drink Energy Drink. Separately, fill a Shot Glass 1/2 with Vodka and 1/2 with blue Curacao. Drop the Shot Glass into the larger glass, and shoot.