Clearly he has finished his wine and is about to use the bottle to masturbate. Most likely to that crudely drawn stick figure.
It may not be right, but he's doing it god damnit....he's doing it.
I've had both, quite good indeed. My personal favorite type of grape is Cabernet Sauvignon, followed by Zinfandel. I have no favorite winery of choice however. All I know is I've had some insanely great wines of the CS variety, dear god have I ever.