fontcest 

One of the many ships of UnderTale, the couple being the skeleton brothers, Sans and Papyrus. Also could be known as PapySans.

Fontcest is lost in the sea of UnderTail.

fontcest by DepressingVoice16 July 6, 2016

fontcest 

When you are pure cancer and ship skeleton brothers. SKELETON. BROTHERS.

Player 1: Do you like undertale?
Player 2: I ship PapySans, forever.
Player 1: You ship skeleton brothers?
Player 2: Is there something wrong with that?
Player 1: No, but there skeletons, and brothers. You fontcest creep.

fontcest by Perfidiae May 10, 2017

FontCest 

Considered Cancer among the Undertale fandom, people still ship it a bunch.
Tho they are brother and skeletons they still ship it.

It’s like SansCest or PapCest, but instead of AUs, it’s brothers. So sweet ol’alabama time for these two brothers.

There are many different types of Fontcest such as:
• FellCest
• SwapCest
• LustCest

1: Who do you ship in Undertale? I like Soriel
2: SORIEL!? I LIKE FONTCEST
1: Um, Ok then, you do you then
2: FONTCEST FOREVERRRRRRRR
1: ....

FontCest by XxX-White Towel Snap-XxX September 15, 2020

Fontcest 

I don't think you deserve to know the definition of this word. However if you think you deserve to know then scroll down. I don't suggest you do this

Fontcest is bleeeeeeeeeeeeeeeeeeep

Fontcest by A FANDOM User November 6, 2020

Fontcest 

A ship between the skeleton brothers of Undertale that is fucking atrocious

Person 1: I just read a Fontcest fanfiction and enjoyed it!
Person 2: You fucking dick head.

Fontcest by However Dapper May 19, 2021