My toilet overflowed last night...?

...but it's not what you'd expect. To be delicate, everything you wouldn't want to overflow went down and on its merry way, but when the bowl and tank started to refill, it just kept on coming, bowl overflowed like something in a park, tank went to about half an inch from the top before I could get to the valve and turn the water off. I'm the only one here, I don't throw anything down the toilet except TP, and the kind I use is recycled, so it breaks up when you look at it funny -- no quilting or patterns or dye or anything. And if the toilet was clogged, would the other stuff have gone down? Now this morning, the water has drained completely out of the tank, and the amount in the bowl is what you would expect to find if you weren't cursed -- please help, I can't afford to call the plumber for this...thank you.