Combine 1 cup water, the sugar, and lime zest in a small saucepan over high heat and bring to a boil. Let cool, then add lime, orange, and lemon juices and tequila.
Divide orange segments among 6 popsicle molds, each about 1/3-cup size. Fill molds with tequila mixture and freeze until solid, at least 5 hours or overnight.
Note: Nutritional analysis is per poptail.