- First go to your Facebook profile page
- Click on the profile picture on upper left corner
- Look at the web-browers address bar.
- Now get the part between ‘.’ and ‘&’ . In above example it is 171644843
- Now go to your facebook chat and type [[171644843]] and press Enter.
- You'll have your own facebook icon in the facebook chat box.
Also Check Out Various Wide Range of Emoticons Which you can Use in the Chat Boxhttp://www.techzclub.com/2012/07/all-facebook-emoticons.html