Fiendborg 

A ghostly demon cyborg. Their boss is the Borgermeister Meisterfeinder.

Sometimes I think the fiendborg is in the closet waiting to eat me.

Fiendborg by Blarrrrrg March 31, 2009

fiendbot 

one of your younger cousins who you have enslaved for the sole reason that you are their elder. generally, a fiendbot is a close friend and companion, but the owner of the fiendbot is known to physically abuse or verbally scold the fiendbot when the fiendbot disobeys or takes too long completing the task at hand. a fiendbot is very fun to be around when he or she is behaving properly and in an orderly manner. although fiendbots are generally lazy and lead sedentary lives playing video games, they can be taught to work harder than any other creature north of the mexican border.

EX. #1
elder: "fiendbot?!? i need 2 sheets of toilet paper! my nose is running. go!"

fiendbot: "**loud, gay screaming and runs away**"

EX. #2
elder: "fiendbot! let's play whaleball!"

fiendbot: "**loud, gay screaming and runs outside**"

fiendbot by eRRoR_504 January 14, 2010

Fiendcore

Also known as Horror-Punk, Fiendcore was started by The Misfits in the late 1970's. This was inspired by the punk rock movement era in New York City. However, The Misfits are from New Jersey. Fiendcore is Punk, B-Movies, and Greaser music put in 1. its like...The Ramones and Elvis Presley having a kid and putting him in an old ass 50's movie about aliens and zombies. good shit.

Fiendcore is bumpin' out of that punk rocker's '57 bel air in which he is watching teenagers from outerspace.

Fiendcore by Jeskid March 31, 2007

fiendcore

Another term for horror punk. Combination of the words "fiend" + "hardcore".

Samhain isn't a gothic band,. you sboob. They're fiendcore!

fiendcore by Mike August 11, 2004

Fiendbrain 

When wrestling fans obsess over WWE Wrestler Bray Wyatt/The Fiend/The White Rabbit and look into every detail of his character.

“New Legacy Inc’s Discord Server has too much Fiendbrain going on.”

Fiendbrain by BILLS MAFIA September 30, 2022

Friendbor

Not a friend not a neighbor.

Friendbor is better than a friend ;
better than a neighbour. It’s both,

and that’s what a Friendbor is!!!

Friendbor
Friendbur
Friendbur

Friendbor by Else69 November 23, 2025