Peanuts in a bottle?

Peanuts in a bottle - what does it mean? More decoding of Tim McGraw lyrics from www.jrfm.com:

Fun Facts About Peanuts
To enhance the flavor of a cola drink, Southerners put peanuts into the bottle.

Boiled peanuts, a Deep South snack, were considered to be a delicacy in the first 30 years after the Civil War. Neighborhood peanut boilings were a form of social status in Southern Communities.

Now, you know the REST OF THE STORY. ;->