Disapproving Dad Syndrome(DDS) refers to the situation in which your partner's dad(Usually a female partner) disapproves of the relationship between you and your daughter. Has several magnitudes ranging from mild annoyance to full-out disallowing her to see you.
"Man, I met Sarah's parents and her dad just sat there and stared at me. I think I've got a good case of Disapproving Dad Syndrome."
"Michelle's parents forbade her to see me! Major DDS!"