Pour the tequila, Triple Sec, lime juice, simple syrup, and orange juice in a blender. Add 3 cups of ice. Puree until smooth and frothy. Pour the margaritas into two large tumblers and serve with a Coronita on the side. Each person can add beer to their Margarita as they sip it down.
Mixed Batch Method:
Pour the tequila, Triple Sec, lime juice, simple syrup, orange juice, and a 12 ounce beer into a blender. Add 4 cups of ice. Puree until smooth and frothy. Pour into glasses and serve.