sdc 

sdc can also be an acronym for "Sit Down Clown". It is similar in usage to stfu, but carries the connotation that the intended target is a silly s.o.b.

Poster A: "Nintendo doesn't make games"
Poster B: "SDC!"

sdc by T.R.I. September 15, 2005

sdc 

An acronym for "Small Dick Complex". Normally given to those that drive very large trucks, or very small sports cars.

That trucker suffers from SDC.

sdc by Nick Koz January 20, 2006

SDC 

Spelling Doesn't Count

Person 1: I was watchin that show the toher day.
Person 2: Watching* other*
Person 1: SDC

SDC by _fox_ May 19, 2009

SDC 

'stoke dance crew'. a bunch of scenesters that grouped together to invade local shows and hardcore dance, even if the band is not hardcore/they can't dance.

SDC really ruined that show tonight

SDC by sebau March 8, 2009

SDC 

"Sorry disconnected" or "Sorry DC" Said when you have disconnected on any online communication programs like MSN.

ThunderThighs: Hey watsup
IronMeng is offline.
IronMeng:SDC
ThunderThighs: KK

SDC by PhoeniiXXXXX December 5, 2010

SDC 

"So Damn Chill"

You say it when something cool happens or when referring to a great party or talking about someone

John: Did you go to Aaron's party last weekend?
Ethan: Ya dude, thats party was SDC. There were hot girls there.

SDC by E-Harm May 27, 2011

SDC 

Abbreviation; Some Dumb Cunt.

I was on my way to work and SDC cut me off in the fast lane going 50 mph!!

SDC by *snowflake* February 17, 2014