Hook me up with a good old seven & seven and I'm a happy girl.
In collge I was very fond of Absolut Currant and seven.
As for shots, nothing beats a lemondrop-just like a tequila shooter but swap sugar for the salt, lemon for the lime, and a good cold lemon vodka for the tequila. Which, now that I think about it, is nothing like a tequila shooter save the order of the lick, drink, suck...