Missed:

Campbell's. There are 6 colors? Who gives a rat's ass what they are? I still guessed 4 of 'em correctly.

Book of matches? Any book of matches I've seen has 3 rows. How does 20 divide evenly by 3? Besides that, I don't smoke. Who gives a rat's ass?

88.5 FM. Off by 1, but who gives a rat's ass?

Water down the drain...Who gives a rat's ass?

No smoking sign...I don't smoke, so I don't pay attention to 'em. Who gives a rat's ass?

Fans...Not the ones in my house. Besides, who gives a rat's ass?

Sides on a pencil? Come on...Say it with me: Who gives a rat's ass?

Screw Snow White and all of her Dwarves, especially Bashful. They're gonna be bought out by Comcast and Eisner will be gone. And anyway, who gives a rat's ass?

The White House is on one of those greenbacks. Apparently just not the one. And who gives a rat's ass?

A freakin' MERRY-GO-ROUND? One last time...WHO GIVES A RAT'S ASS?