When someone puts a status about themselves even though you know the truth.
Steve says he has been to the gym everynight this week. I didn't know they had a gym at McDonald's. What a facebook liar.
by jspin1982 June 16, 2011
Can you define these popular missing words?
n: Someone who looks extremely different in their FaceBook photos compared to how they look in person.
"What a FaceBook liar! I had no idea she was morbidly obese!"
by BTheWordMaker January 20, 2008