A FaceBook wall post or status update you regret and which causes personal embarrassment, disgrace, or mortification. A faux paux made on FaceBook.
Mary: Why did you put on your wall that you hated working with us all?
Tibor: My bad, thats was a FacePaux.
Tibor: My bad, thats was a FacePaux.
by Herbal Klimt July 22, 2010