Squeeze out 2 lemons and 1 lime, make sure there is some fruit flesh too. Put this togheter with a hand full of clean nana (Dwarf Peppermint) leaves ( If you don't know whats nana or can't get it add mint leaves )in a blender and mix it.
now add some sugar water and bland again. make sure the mixture is ice cold and then Add the mixture to the vodka.
enjoy!