I believe I have found the upper end of the word "boo-boo"
My body is prone to strange ailments. Chest pains, foot pains, stomach pains -- all of these hit from time to time, and aggravate largely due to their mysterious nature. This is *not* one of those.
Summary: Bookcase. Foot. Bam. It's truly remarkable how much blood can come out of the little toe when you split the nail diagonally.
Time for a bunch of ibuprofen, and thence bed...