Well, I'm an alcoholic with almost 16 years of sobriety, so I don't currently have a favorite. Hehehe.
I did, however, invent a drink back in my days in the army. At least I think I invented it, as I've never heard of it before or since.
Easy to make, inexpensive, and surprisingly refreshing.
Fill a blender with ice.
Pour in your choice of vodka, using as much or as little as you like.
Put in a container of frozen concentrated pink lemonade. Again as much or as little as you like.
Turn on the blender, and in a matter of seconds, you have an ice cold pink lemonade & vodka slushy.
I called it The Pink Floyd.