Today both Dr. Bekken and EugeneUkulele did versions of this song. I love these bluesy songs and started off Googling for a printed version of the lyrics and chords. I came across something called WeeniePedia which caught my attention based on it's irreverent name.
Low Down Dog Blues (Lyrics via WeeniePedia)
Low Down Dog Blues (Lyrics via Blues Lyrics dot com)
Dr. Bekken's video