2 - 3 oz chilled tequila
12 oz chilled Corona® lager
1 1/2 oz fresh lime juice
5 - 6 drops hot pepper sauce
1 pinch chili powder

Pour desired amount of tequila into mug or glass. Add the juice of one lime. Fill the rest of the glass with beer (preferably corona or dos equis). Add the hot-sauce of your preference, and a dash of chili powder. Stir the contents of the drink and add ice if desired.