1 definition by Stabyourself

Top Definition
A rare occurrence wherein a son sires his own sibling of a close age.
"Hey man, you know when we were growing up and you wanted to know who your dad is? Well I fucked mom. Yeah, I'm your brother-dad."
by Stabyourself September 25, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×