A fork of Rural Dictionary
This is hte abbriviation of the Words Baby Daddy. Referring to the Father of your child.
I was on the phone with B.D. He asked about the kids
B.D. Days reffers to Ashton Kutcher's Before Demi days.
Girl 1: Oh my god i totally love Ashton Kutcher he's gorgeous! Girl 2: He's alright, but i preferred him in his B.D. days!