Another way of saying Dickhead or Piece of shit.
Why did you eat all my cat litter you Fuckface.
John is such a fuck face, he shoved his fingers in my ass.
When you want to imagine someone else's face when you are having sex with him/her.
If you want to fuckface me, I'm totally fine.
A fuckface is someone who doesn't give a fuck about anything because they know they are ugly.
I'm a fuckface and everyone knows it so I just don't give a fuck about anything anymore.