Short form for Biological Family.Used when you're talking about more than one family. Meaning if your adopted and you're not talking about your adoptive parents your talking about you Bio-fam Example: Roseanne: Which family are you taking about? James:Gezz! I'm talking about my Bio-fam! Get with the program!
BIO-FAM
Meaning of BIO-FAM in English
Slang English vocab. Английский сленговый словарь. 2012