furuncle 

When you are having anal sex with someone and then you pull out and punch them.

I totally furuncled him last night. He never saw it coming.

furuncle by Nathan May 13, 2005

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

furbuncle

A dog or other domesticated animal (pet) that is exquisitely clingy for the breed. Derivative origin from "carbuncle" and "fur baby"

My Mastiff would not leave my side this morning while I was trying to make breakfast - what a FURBUNCLE!

furbuncle by Dogdad1 November 19, 2025

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