An expression used to describe a mouth breather, or a surprised look. Usually used in a friendly manner to get the attention of a person whose name you cant recall. Non gender specific, can be used to describe a person in basic sexual attraction.
"Come over here Fuckface"
"Id like to see her Fuckface"
"Wipe that Fuckfaced look off and pay attention"
means a face that is made when a woman during sex lets go and has a orgasm and when the fuckface screws up and your toes are throwing gang signs..gotta fuckface love it
right when the sploodge hit her chest the ' fuckface 'came out.
An attractive man who is indecisive, flirty, makes you feel bad for wanting to hate them because you they're actually nice people, and who is unavoidable because of the mutual friends that you share.