Orz is an emoticon that represents a kneeling person, or somebody bowing. This has several versions including:
- Or2
- on_
- OTZ
- OTL
- STO
- JTO
- _no
- ＿冂○
- 囧rz
- O7Z
- _|7O
- Sto
- O|¯|_
- Jto
The "O" or circle represents the head, while the "r" is the arms and the "z" is the legs.