Dog watch of Ship's Bell clocks) website explanation it says that ..."the Evening Watch is periodically divided into two watches. These are called Dog Watches because they "dog" the watch schedule for all divisions ahead by one watch period". It can be surmised that this may mean an action similar to the "feed dogs" on a sewing machine, although obviously the use of the term predates the use in the sewing machine. Dog watch Dog watch, in marine or naval terminology, is a watch, a period of work duty or a work shift, between 16:00 and 20:00 (4 pm and 8 pm).
T-Dog (The Walking Dead) "What Lies Ahead", T-Dog and the remaining survivors begin travelling to Fort Benning when they encounter a blockade of abandoned vehicles, and Dale's RV breaks down. When a large herd of walkers approaches, T-Dog slices his arm on a car door, while some of the walkers chase after Sophia, who goes missing. In the episode "Bloodletting", he shows concern about being the only African-American member of the group and asks Dale to run away with him. Dale believes that T-Dog has contracted a blood infection from his wound, and Daryl later gives Dale some painkillers and doxycycline antibiotics that Merle