a legendary character from the bellmore area, he rides BMX and his partying abilities set the standard for most well-known colleges. if the der shows up at your house natty case in hand rolling with a heavy crew dont feel offended feel privileged.
"we rode some bmx with the der yesterday then partied real hard"

"thats some gnar shit bro"

"yo bro the der and his friends crashed my party last night fucked my 16 year old sister and trashed my house"

"dont feel offended feel privileged"
by gang$taaa December 22, 2010
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usually said when you already knew what one person is talking about or totally obvious. also said in place of "duh!", "no shit!", "really (note the sarcasim)?" or "well, no kidding!"
person: "did you know that 1+1=2?"
me:"der!"
by like, dude! May 30, 2003
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Stupid-ass way of saying dee-dee-dee.
My retarded friend Brittany called me a der-der-der!
by Alex Head June 3, 2006
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Phrase used after something completely obvious is stated, usually to provoke someone.
Gary: "Did you guys know that the Alphabet Song and Twinkle, Twinkle Little Star have the same tune?!"

Stef: "Derp der on the der der!"

DJ: "Gary, sometimes I wonder why I hang out with you."
by deejinator27 May 14, 2013
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the word when someone says something obvious
that chicks hot, well der!!
by Steve-O April 24, 2003
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scandinavian. short for the name Anders.

also the best guy ever. <3 end of story
by kickasskoalax3 August 27, 2008
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Used to simplify such expressions as:
"No Shit!"
"Whatever!"
"Really?!"
Der, I think I know how to be bling-blingin'it up!
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