warota is often shortened "w".
"orz" is a pictograph of a guy on his knees. It's a simplification of "|P|_". The exact meaning escapes me, though.
>>3
The meaning varies. It can be used to declare that you are sorry for something while avoiding an elaborate apology. More commonly it is used as a sign of being frustrated, though.
>>3-4
http://dis.4chan.org/test/read.php/dis/1099664487/16
> 16 Name: m.y 2004-11-05 12:35 @ IRrPs6Ec
> Hello everybody!
> I came from 2ch(The biggest mimic board in Jpn)and I am happy to see you.
> I hope that we will get good mutual understanding.
> Today, I introduce one of the popular AA of 2ch(In 2ch, ASCII ART is called AA for short)
>
> This is the AA
> "orz"
> This AA represents a man who felt down and praying the GOD.
> ("o"is a head,"rz"is a body. He is on all fours)
> In 2ch, we use it when we meet un-lucky situations and want to pray the GOD.
>
> For example,
> Oh my GOD! The dog ate my CHONMAGE....orz
>
> If you like this "orz"man please use it!