This post shows you how you can secure your account by identifying Chat Virus on Facebook. If any of your Facebook friend sends you a message like this, he might have got the same message like that and have clicked on it. Which is why you are getting this message.
[hey lol check out this girl,she i cant believe this video :DD: bit.ly/gAzf5B]
This is another Spam Virus which Requests for permission to access your Facebook Chat and then when you allow the application, It sends the same message to all your friends who are online.
Like the Chat Virus, another threat to your Facebook accounts’s security is the apps you give permissions for using your Facebook credentials. That can be taken care of by Removing untrusted apps from your Facebook.