Preheat the oven to 350 degrees F. Place jumbo cupcake liners into cupcake pans. Note that if you use regular liners, the time will be different for baking.
In a large bowl, combine the flour, sugar, baking powder, baking soda, and salt and whisk together.
In another bowl, combine the eggs, oil, vanilla, lime zest and juice, tequila, sour cream and milk and whisk to combine.
Gradually add in the dry ingredients into the wet and whisk until fully incorporated.
Place a 1/3 cup of the batter into each cupcake liner and bake for 12-15 minutes or until a toothpick comes out clean.
Once the cupcakes come out of the oven, brush with the reserved 2 tbsp of tequila, generously.