I don't know about tailgating, but I've been going to campus to party for the games at the bars, but I'm finding it's just too ludicrous. Unless you get there way early, you can't even get into the bars (I'm looking at you, Little Bar) until you go south down High Street eventually run into Oxley (the ever changing bar) at Gateway, which is dead and has bouncers that will ask you if you're okay and give you a water if you put your head down after a bad play by Ohio State.
Losing interesting in that sort of thing. I'll have tickets to the games presumably next year but for this year I'm just keeping it local by my apartment, a tad off campus so I can actually kick back and chug beers and not have to worry about standing on top of 20 people just to beg for a drink.