Fruncle 

Adult friend of your family that you've come to thing of as an uncle.

That's my fruncle. He isn't really my uncle but he's been a friend of the family my whole life.

Fruncle by Serialseb June 12, 2007

Fruncle 

An adult male who acts like part of the family to is friends' children, and usually the most entertaining adult at any get-together. Derived from friend+uncle

Go play ball with Fruncle Matt. Mommy's getting her drink on.

Fruncle by LexiCodger December 17, 2011

Fruncle 

A friend of the family that has taken on the role of the uncle.

Yo you see Matty G. he's my daughter's Fruncle .

Fruncle by X-Ray87 May 24, 2016

Fruncle 

Your father and uncle

I'm going on a date with fruncle

Fruncle by Step Fruncle ben April 19, 2019

Step Fruncle 

Your uncle and your step father

I going to the store with your step fruncle ben.

Step Fruncle by Step Fruncle ben April 19, 2019

Funcle 

When your Uncle is too fun to just be a normal 'Uncle'. This Uncle must be referred to as 'Funcle'

Example: I cannot wait to go visit my Funcle Dick in Ohio!!

Funcle by Eddywarn February 8, 2017

Funcle 

The fun uncle.

Dang, your funcle Noah parties harder than I do -Everyone

Funcle by Rose527 May 3, 2017