Definitions by M00nbaby

facebook daddy 

A sperm donor that falsely represents that they are in their child's life on social media.

Person 1: awww Roger seems like a great dad always posting pictures of his baby.

Person 2: Samatha says he has seen his child once since the 6 months of the child's life. Does not make an effort to pay child support and steals the babies pictures off of her profile and posts them. He isn't a real dadfacebook daddy.

facebook daddy by M00nbaby March 8, 2017