Well lets see here:

(Now nothing tooo bad has happened to me, but to my best friend, when we were little, oh man!)

Once in kindergarten he had a metal minature figure, it was small and had knive-like legs, anyway we were messing around and he stuck in in the plug….oh man!

and once we were working on a treehouse in his backyard and a hammer fell of the top of the house (he was on the ground) I yelled “Heads uP!” and he looked straight up and the “teeth” on the back of the hammer whacked his eyebrow off, ewwww…..

That reminds me of a kindergarten experience of my own…

When I was little, I had a habit of collecting Calvin and Hobbes comics and saving them. One day, I was stapling one of them to a piece of paper, and the staple went clear through my thumb. I didn't realize it at first, though.

I ate a bar of soap once when I was little (a whole bar of Zest) I've went to let my dog in, bent over to take off her leash and hit myself in the ass with the door and fell outside, rolled down the two cement steps and landed in the driveway….Loads of fun

when i was little I ran through my glass storm door…Twice

yeah, i've done that once too. you have know idea how transparent glass can be.