mcdonald dad
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
The McDonald's Dad
The Dad who treats his kids to McDonald's and other things, while the Mother does all the dirty work of parenting.
Quit being The McDonald's Dad and change the kids diaper for a change.
mcdonald dad
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