Definitions by non_stop.dance_party

OSD 

OSD = Obsessive study disorder

Most commonly found in nerds/geeks and is an extreme over reaction to any form of assessment in which they can study for

Nerd: "My brain is about to explode... I have been studying all day."
Random: "Dude, you need to find some medication for your serious case of OSD!"

OSD by non_stop.dance_party September 2, 2010

sfs 

sfs - seriously funny shit.

Mostly used when telling someone else of something funny that you have seen or heard of.

Person A: I just watched anchorman, that is some sfs.

sfs by non_stop.dance_party June 28, 2010