Fiendborg

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

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

by Blarrrrrg March 31, 2009

Fienful

Annoying and loud, especially when someone is trying to sleep.

I'm trying to sleep and you guys are being fienful!

by wadawada March 13, 2013

Fiendish fiend

Someone you absolutely despise because they have annoyed you for so long. Usually used in a comical, or sarcastic sense.

Person A: You Fiendish Fiend!
Person B: Hah! got your nose!

by Lord Jonathan Elton June 9, 2015

Fiend

1) A PERSON WHO CRAVES DRUGS BUT CANT GET THEM HIM OR HERSELD

2) A FAKE FRIEND

"Bro why do you fuck with him he a fiend"

by veryoctober December 29, 2016

fiend around

To scrounge about, causing mischief and scheming to FSU.

Tonight, we're gonna fiend around at the party.

by Rak B'Yisrael October 13, 2017

Fiend

A fiend, one who is obsessed with certain things such as a sex fiend.

Lewis o’rourke is a single mother fiend.

by Baldy bastard May 3, 2018

Fiend

A person that likes getting with their friends ex or who they were talking to

Bro I just fucked this girl last night!
Deadass who was it???!
Janet the one Xavier was talking to
Wow you a fiend ass nigga

by Simon(:69 June 14, 2018