Someone that shows up on Facebook for a short time, and then mysteriously removes their account, only to show up again and repeat the cycle several months later.
Guy: Did you see that Sandy is on Facebook again?

Girl: Yeah, that's the third time this year she has been on there for a week or two. She's a real Facebook Transient.
by 15951 January 23, 2012
Get the Facebook Transient mug.