Someone who eats dirt and gets it on their face.
Specifically while being the goalie at a soccer match.
Uber-specifically someone named Ian.
Ian=Steakface
"Ian, stop being a steakface and pay attention!"
"Ian, your steak!"
"Ian equals steak."
Annoying/Pretentious vegetarians who deserve a slap in the face with a steak.
'Sheila deserves a good slapping, what a a steakface.'
Used when insulting a specific person's facial area.
Yo, this motherfucker got a steakface!