Place the tequila, evaporated milk, condensed milk, pumpkin puree, vanilla extract, canela or cinnamon, nutmeg, and cloves in the blender and puree until smooth. Transfer to a pitcher, cover and refrigerate until chilled.
Alternatively, you may pour directly over ice cubes or add some ice cubes to your blender and make it a frappé! In any case, serve very cold.