by mk fresh October 23, 2007
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?"
by sendmorecoffee July 10, 2008
by cheesemac October 16, 2007
buy the domain for your cat site
by Safffernellie December 05, 2009
What a casual relationship might end up as for the guy. The male part of the fertilization process. See sperm donor
by Filamena C June 17, 2008