a dad who thinks he is fulfilling all his parental duties by taking his estranged offspring to McDonald's on a saturday/sunday afternoon for a parental visit.
just look at him, he ai'nt a proper dad he's one of those mcdonald dad's
A father whose ex controls so much of his time with his children, he only gets to take them to McDonald's. The child's mother is usually so bitter that she won't 'allow' the child to have proper time with their father, effectively reducing him to the status of a McDonald Dad.
Those poor children, their spiteful mother has reduced their loving father into a mcdonald dad
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.