Here in Texas, the standard field sobriety test is to do the Governor's "Do a Little Sidestep" dance from the movie "The Best Little Whorehouse in Texas."
Here's an example:

Here's an abbreviated clip of Charles Durning doin' it in the movie:

Here's the full scene:
http://www.youtube.com/watch?v=AALREbJZEZk

The essential American soul is hard, isolate, stoic, and a killer. It has never yet melted. ~ D.H. Lawrence