Top Definition
An Uncle that lives in your house. Usually, is on disability for a false injury. They smoke cigars and wear jogging pants. Typically, a Buncle can be seen lingering around your neighborhood, in a creepy, rapist fashion. Some believe Buncle's are pederasts, although, there is no evidence thus far. All Buncle's are habitual liars. Creating fiction about partying with celebrities, being watched by Feds, etc..Steer clear of all Buncle's unless you have time to spare. When one interacts, there is no telling when a Buncle will ever end his ramblings. It is said to be an abbreviation of the phrase, " Uncle Bum".
" Oh, shit! Here comes Buncle...let's see what fibs he's going to tell us today."

"Buncle told me he had lunch with U2 today."
by Tom_Jew July 12, 2011
4 more definitions
Baby uncle
Is he your buncle?
by Meaningless April 26, 2015
A black uncle. One who is African American, or of African decent (black) and who has a very close friend or even a relative that is having a child. Thus, since they are black they consider themselves an uncle, but a black uncle or buncle.
One Seventh season, episode 2, Turk says to Carla, after hearing JD's baby is about to be born:

"I'm a buncle now."
by Heshan November 02, 2007
A relative that is simultaniously your brother and your uncle. This is possible by your grandfather concieving a child with your mother. The child is your uncle in the way of it being your grandfather's offspring and your brother in the way of your mother's offspring.
Jeff is actually my buncle. Grandad had sex with mom and had him.
by I MADE BUNCLE March 18, 2015
A relative that is simultaniously your brother and your uncle. This is possible by your grandfather concieving a child with your mother. The child is your uncle in the way of it being your grandfather's offspring and your brother in the way of your mother's offspring.
Jeff is actually my buncle. Grandad had sex with mom and had him.
by I MADE BUNCLE March 18, 2015

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