When you think of someone as being mean they have certain qualities that aren't likable. They're nasty, despicable, cruel, and downright rotten.
In college football there are a few coaches who are quite awful. But because some of these guys win games, you just have to let it slide.
This wasn't an easy list to come up with so if I left anyone out feel free to let me know. I have included a couple of guys who currently don't coach anywhere, but that's only because they deserve to be here. Those guys are football coaches and sooner or later they'll land another job. Well, maybe.
And the list...