csd stands for "cock sucking dickhead"
works fine when some arrogant asshole who like to play smartass starts to talk bullshit. or when one tries to make an impression by talking biased shit.
Compulsive Sharing Disorder. A disorder teens from 13-17 have developed in which every time some insignificant detail occurs in their lives they feel the need to share it via some social networking site. repeat offenders of facebook tend to turn to twitter, endlessly tweeting their drama and such.
Sam: I think I have CSD. After Paul dumped me I've tweeted about it nonstop. I know no one cares, but I can't help it.