https://www.urbandictionary.com/define.php?term=Mad Dog 20/20
Jan 27, 2020 · Mad Dog 20/20 18% or 13% alc. by vol. As majestic as the cascading waters of a drain pipe, MD 20/20 is bottled by the 20/20 wine company in Westfield, New York. This is a good place to start for the street wine rookie, but beware; this dog has a bite to back up its bark. Mad Dog Stands for Mogen David, and is affectionately called "Mad Dog 20/20".