bio-dad
biological father, as opposed to the person your mother married after divorce
So we’re having this party at my bio-dad’s summer house and we’d love if you could join us?
bio-dad
your biological father as opposed to your stepfather.
So we’re having this party at my bio-dad’s summer house and we’d love if you could join us?
bio-dad
The guy that knocked you up and either bailed or you kicked him to the curb. Not involved in the child's life except maybe enforced support payments. If you're a dude, what the baby mama calls you.
Tiffany met her bio-dad for the first time last week. Her first reaction was "What was Mom thinking?"
bio-dad
The S.O.B. who fathered you but didn't take the time or care to ever meet you.
I never met my bio-dad, that sob, Charles Carroll Palmisano.
bio dad
What a casual relationship might end up as for the guy. The male part of the fertilization process. See sperm donor
That bio dad has 4 other kids by 4 other chicks.