These nerds/geeks are usually online gamers and have a know-it-all attitude.
1) Person: I tried to upload this music file but it says it's too big :(
Nerd: You fool, the file you are trying to upload is Wave which is a high quality format using lossless compression. Convert it to Mp3, that will reduce its size as it uses lossy compression.. NOING! *fixes glasses*
2) Nerd: lol dude i downloaded the best program, it lets u auto mine on runescape1!1!! ub3r l33t hax0r lolz 1!!! ELEVEN1 SHIFTPANCAKES!1!