Yo, if you lookin' to make some fire lean, lemme break down the formula. First off, you gon' need some Actavis Prometh with codeine|purple drank|pro cough syrup. That's the heart of the operation. Don't go gettin' cheap stuff, cuz that shit ain't gonna hit right. You also wanna grab some Sprite, that's for the kick. And last but not least, a little