1 definition by Jeans74

Top Definition
Relationship between two guys who are dating sisters.
Mark is a douche nozzle, but he is my defactbro and may be family some day
by Jeans74 May 21, 2012
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.