Roofierita
A very strong margarita recipe usually spiked with Everclean (190 Proof). Often cause blackouts similar to Rohypnol or "roofies"!!!
Purple Roofierita
8 oz tequila
4 oz everclear

1 oz blue curacao
5 oz creme de cassis
3 oz lime

Half a bag of ice per batch. Makes about 6 drink