Take frozen lemonade and orange juice out of freezer at least an hour before.
Steep tea bags in 3 cups of boiling water.
Heat the remaining water and sugar in a sauce pan until sugar is dissolved.
Add tea to sugar water and let cool down.
Mix in frozen lemonade, orange juice and vodka.
Pour into freezer safe containers and freeze.
To serve scoop some slushy and fill a tall glass about 3/4 full. Top up with 7Up. Add a straw and serve.