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You: You're such a freaking brunckle but I love you. (:
Friend: Back at you!
Brunckle by Ahhlayna March 28, 2012
when your brother is also your uncle either because your mother had a child with your grandfather or your father had a child with your grandmother: the male offspring being your brother; because you share one parent, and also your uncle; because he is the child of your grandparent as well
Ronald: "Hey Bruncle Bob!"

Bob: "Hey my dear ole brephew, Ronald!"

Ronald: "Did you call my Dad this weekend?"

Bob: "You mean my Grandpa? Yep, he said he put you back on his will even after you shot his dog."
bruncle by fartknocker101 December 23, 2009

bruncledad 

I have seen many explanations of this, but here I will explain how it works:
A chav girl has sex with her chav brother, who is also her father which is not uncommon. They produce a chav child, which will biologically be both her brother and her son. At the age of about 8, the chav child will have sex with it's chav mother afore mentioned 'chav girl', producing another child to which the previous chav child will be brother, uncle, and dad.
chav: im gona see ma da tonight.
chav#: e's ur uncle too rite?
chav: yeah an my bro. e's my bruncledad.
bruncledad by cait h July 22, 2007
a brother and uncle at the same time (weird)
"My bruncle is coming to visit me this weekend"
-Winston Furth
bruncle by slipknot rocks October 15, 2004

brunclespunk 

Inbreeding term. Generally used as a pejorative against "chav" families that show a pronounced or characteristic genetic trait in their offspring.
You are the result of your mother and 'brunclespunk', because it can't be determined who your father is, other than it is either your older brother, or your mums brother!
brunclespunk by moorlok November 1, 2006
inbreeding term. used when referring to your brother, who is also technically your uncle.
Why is your bruncle always looking at your little sister like that?

This is Billy-Bob, my bruncle. We have a VERY close family.

What time is your brother-i mean uncle coming to pick you up?
bruncle by B August 12, 2003