1.The creepiest way to talk to someone on facebook.

2.If you are desperate to talk to someone you use this to talk to them

3.When you don't have the person's phone number or screen name. you use this because he/she clearly does not feel comfortable giving you their personal information

"I just facebook imed this really hot girl today"
by shaamantha April 28, 2009
Get the Facebook Im mug.