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Fictional town in Germany. No roads lead to Bielefeld, no railways either. It does appear on maps, but no-one has ever been there or knows someone from Bielefeld.
It might be a code name for some secret militairy project.

Everybody who claims to be from Bielefeld or to have ever been there is part of the Bielefeld-conspiracy (German: Bielefeld-Verschwörung)
X: Have you ever been in Bielefeld?

Y: Sure, I was there only about two weeks ago.

X (to Z): Never trust Y again, he part of the Bielefeld-conspiracy
Bielefeld by Milanifan June 21, 2010
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A supposed town that doesn't exist. The German government used this town to cover up an alien crash site. NOBODY knows anyone from Bielefeld.
Do you know anybody from Bielefeld?
Have you ever been to Bielefeld?
Do you know anybody who has ever been to Bielefeld?
The answer will always be no.
Bielefeld by Hieronymous Blighe June 29, 2012
Related Words
A beautiful town in westfalia, known for its pudding factories and failing soccer team, where people speak true in very short sentences.
Also, the conspiracy theory is getting kinda old.
A: Hey, where are you from?
B: Bielefeld.
A: Ok, so how are you?
B: Good.
-------------------------------------------------------
B: I hate rhinelanders. They talk to much. I like Bielefeld. People don't talk much here.
Bielefeld by grobisesam October 27, 2012
Definition 1: A supposed town in Germany that doesn't actally exist.

Definition 2: The gray and white squares in a digital canvas that only have transparent objects in front of them.
(Definition 1) Person A: "I'm from Bielefeld"
Person B: "No you're not. Bielefeld doesn't exist.

(Definition 2) Peron A: "What are those gray and white squares in this image?"
Person B;"It's the bielefeld. It shows that there isn't anything drawn over it."

Bielefeldt 

A Bielefeldt (Bee-la-felt) is someone who comes from German heritage. They are bright, intellectual, and eager for new adventures, resulting in a lot of travel time, especially at a young age. A Bielefeldt often gets frustrated as most people mispronounce their last name resulting in something that sounds similar to Bee-i-le-feld-t.
person (1): Man I want to travel all over the world! I want to see everything, museums, architecture, just experience the culture!
person (2): What, are you a Bielefeldt or something?
Bielefeldt by mbaigeglieefeldt July 27, 2010

Biefeldt 

This can be the last name of a person who typically names there child the same name. This person can have a passion for cars whether working on them or being able to name the year and model of the car. They certainly can have anger issues but when it comes to the person they love, they do everything they can to make them happy.
Biefeldt isn't a common last name
Biefeldt by DillthePD July 4, 2021

bienefelt 

mr bienefelt is a ginger
"mr bienefelt is so ginger and hates dharman"
bienefelt by finnc December 30, 2022
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