What kind of parents raised you?; I'd like to see your parents' faces
A set phrase expressing shock or disapproval at a younger person's bad manners or behavior, implying that their upbringing must have been poor. The literal meaning is 'I want to see the parents' faces,' but it is used figuratively.
Making such a racket at this hour—I'd like to see what kind of parents raised you.
Seeing a young person putting on makeup on the train, I thought, 'I'd like to see their parents' faces.'