The downward falling or sliding of a face due to overuse of cosmetic surgery. Can also mean the mass itself.
If her faceslide gets any worse she'll be putting mascara on her chin.
by Ladyomygod July 28, 2011
a face slide is when somebody slides on their face over a set distance on a named surface.
that guy just did a massive faceslide when he bailed.
by LewwyJ December 18, 2008