derk magerk 

1. Someone who talks with a dirty mouth

2. derk

Mr. X: Dude I was msurbating ALL night

Mr. Y: You're such a derk magerk

derk magerk by Fritz Haarmann January 6, 2009

Derk Magurk 

A name given to someone who:

Acts in a gay ward manner towards a group of people.

Someone who acts like an idioit when trying to complete a job or task at hand

And/or a simple combination of the two

"Bro, why you gotta be a "Derk Magurk"?

"Just call me Derk Magurk".

"Look at him over there. He's such a Derk Magurk".

"I bet you $12 Derk Magurk over there wont do it!"

Derk Magurk by Nuclearwaste113 July 21, 2009