jackface
A way to call someone a total loser without getting in trouble, because it's not as bad as calling them a jackass.
"He's a jackface, but at least it's not a jackass.", said by a kid who was trying to be polite.
"I called him a jackface in front of the teacher.", said by a kid who was lucky he didn't get in trouble.
"Jackface is just a fancy way of saying loser.", said by a kid who was still a loser.