Festerpool 

To think about multiple negative thoughts creating a festerpool of negativity resulting in situations appearing far worse.
A festerpool of high emotions can result in riots.

A person was upset due to debts building up, their mind began to pile all theirs worries creating a festerpool of depression.

Festerpool by MattMuz September 22, 2020

festerment

fester is the root. a collection of festered objects

Yo dude have you seen the festerment in your kitchen sink.

Yo Pasty! There is no way I a paying for that FESTERMENT (in this case cheap and nasty restraurant food)

festerment by Stephen M. December 31, 2004

FETerinarius 

Feterinarius is a soldier in the digital army who serves as a surgeon of the electronics that power backbone of the the internet, ICSs and all that is controlled electronically.

John; The geek from IT really knows a lot about the history FETs and MOSFETs and how they've powered the digital age!
Richard: That's why they call him FETerinarius bro

FETerinarius by Max86 July 12, 2017

Festerius 

Festerius is some what of a minor internet celebrity that has been seen all over the internet since 1993. There are about 150 different refrences if you search for 'Festerius' on google.

Dude, did you see what that Festerius guy posted on our message board? Who is this weirdo?

Festerius by Festerius October 2, 2003

Fetzering 

Noun: 1. The act of making an unfounded or unsubstantiated claim.
2. In philosophy, a method of debate or discussion based of the premise of: I think, therefore I am. I think you're wrong. therefore you are.
3. The act of disagreeing by employing rancor, name calling, ad hominem attacks or straw man argument.

Etymology: Fetzering began in earnest in the late 1960's, being implemented by a JFK conspiracy theorist and has since expanded it's use in the 9/11 debate arena.

1. Without evidence your claim is simple fetzering.

2. He should rely on his data instead of fetzering.

Fetzering by bpete1969 February 19, 2013

Feaser 

Noun: One who feases or display's fease-like tendacies

Did you see the feaser seethe today?

Feaser by Dfynr September 16, 2022

festered upon 

1. When someone chucks completely random shit at you, such as garbage
(derived from the word fester: garbage is festering, thus, to be festered upon is to have festering crap thrown at you).

2. When someone uses entirely bitchy/bullshit behavior towards you.

1. Me and A-ron were festered upon when his grandma tossed the kitchen trash at us.

2. I was having a quiet smokeout when some crazy bitch festered upon me and my homedogs by lecturing us.

festered upon by J-Fizz August 27, 2005