Invented by: Karim Gonzalez -professional bartender from Los Angeles CA. The name is self explanatory….. Let’s just say that after you are done with these 28 oz of . loco. ” you’ll be set for at least couple of hours.Have the 2 separate 2 oz shots of Tequila ready take an empty pint glass and quickly pour Beer and Energy Drink at the same time until it starts to foam up then drop 1 shot of Tequila and a Lime chug til the last drop..