A dad who has little to no interest in the lives of his children other than keeping up the appearance of a good father. Dad's such as this will buy their children meaningless material gifts, junk food, and occasional activities to win their child's affection, but will never be involved in a meaningful way beyond a token appearance.
Little Johnny has been in soccer for 5 years. Johnny's dad, Toolbag, shows up at one soccer game and continually refers to this event as a reference to his involvement in Johnny's life. Toolbag could be described as a "good-time dad."