The funest and mostest fun to be around even/especially when drunk.
Person one: see my uncle over there .
Person two: yeah me must be a fun uncle.
Person one and two: Funcle!
by The13hairyArchdukeofWellington October 27, 2016
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A uncle that is not blood related but considered a uncle because of your father/mother's close/best friend.

2: A fake uncle.
"Is your funcle coming over?"
by Yourordinarymanman June 10, 2023
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Someone who at first is your uncle and then hooks up with your mom and marries her and becomes your father instead. Combine Father and uncle and you have a funcle. This mostly happens with low income, ignorant redneck families.
Tom said, "My mom is now dating my uncle Kenny and they are getting married next month, so I guess that makes him my funcle or step-funcle."
by suzytdogg October 23, 2006
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A Funcle is the act of 2 men fucking the same girl while playing the classic children's test of strength game "Uncle". Hence "Fucking Uncle" or Funcle. It's best played when the woman is on all fours receiving penetration from one player and pleasuring the other orally.
My best friend and I thought with a little luck and a lot of beer we had a good shot at the Funcle with my 2nd cousin, Suzzie.
by The Lawnboy May 2, 2007
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a female uncle (different than an aunt)

Luke: My uncle speaks 7 different languages!
Kseniya: Oh i'm so jealous i want to be your uncle
Luke: Post surgery I hope
Kseniya: No, im a funcle!
by lukeniya January 19, 2009
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A man who is both one's father and uncle. If someone "has a funcle", you're saying they're really dumb and demented. Persephone from Greek mythology quite literally had a funcle. If someone "marries their funcle", you're saying they will do anything without hesitation.
guy 1: That's weird.
guy 2: that is NOT weird! You totally have a funcle!
by Aphrodite's Reincarnation October 17, 2008
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A cross between a father and uncle. Like when your mom marries her husband's brother or has sex with him.

Usually done between incestual familie's who have no scrupels about who they get it on with or what monstrosities they may produce if they happen to get pregnant by the funcle.
that girl's dad's brother married his wife. Now he's her funcle.
by psuef November 13, 2008
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