Fluncle 

An uncle who is a total failure at life and generally a total fuck up.

I'm sorry he was drunk and talking about DIY abortion, but my fluncle Chip is like this all the time.

Fluncle by x BILKO x September 19, 2016

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

Flungledop 

When your partner sits on your face and urinates up your nose whilst shitting in your mouth

Oi shazza come over here and give us a flungledop

Flungledop by Grousemaster12 December 17, 2019

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

Funcle 

Fun uncle-noun

Wow, thank god my funcles Noah and Benjamin came to this party. Now we can finally have a good time!

Funcle by The third funcle December 30, 2018

Fduncle 

Your made up or "Fake" Dead Uncle.

Person A)-Who your Fduncle? Person B- Yeah thats my Fake Dead Uncle to you! Person A-Who your dad?

Fduncle by Robert " Bob" Kunhlle October 13, 2007