OMG, I totally misread the title of this post before I entered it. I thought it said "Bit my own dog"

LOL!
Anyway... yes, I've been bit by my own dog. Not counting "accidents" (as in, we're playing tug and woops he got a little TOO close to my hand! In those cases my dogs have ALWAYS let go as soon as they realized what they did)... although I suppose the one time I consider a serious bite was kind of an accident as well.
I had a border collie + australian shepherd that was both dog and human aggressive when I was about 12 - 15. She was EXTREMELY posessive over me as well, and was just not right in the head. I remember when she was just a 10 week old puppy we brought her to the vets for a check up and everything and the vet, whom I've trusted for years since before this, told my dad he should have her put to sleep because there was something wrong with her

Well, when she bit me was when I was probably around 13 and my friend had her dog Mercey over (looking back, I have NO idea why we were doing this, young and stupid I suppose). We were working with the dogs and they were both on leash, but really, considering how my dog was my friend's dog should have never been there in the first place. I was giving my friend's dog praise and my dog was tied up near by (I don't remember what she was tied to exactly) and she lunged and got loose (as this was before I learned if you loop the leash through the handle it won't come undone around an object). She was going for my friend's dog but I got caught in the middle.
Come to think of it, I think it was actually my friend's dog that bit me, if I recall corectly, but it happened so fast I could be wrong. Anyway, I didn't get stitches or anything but my thumb was broken and gashed pretty good. I believe to get them apart (though that wasn't my intent) I screamed the "F" word at the top of my lungs when I was bit and they both scattered quickly. I then grabbed Hazel and tied her back up and then my friends dog and hauled her inside (the whole time my friend was standing there completely flabbergasted), I threw her in a crate (the dog, not my friend) and then ran upstairs, ran my thumb under water and screamed "MOM! THE DOG BIT ME!" to which she just replied "oh" (my mother was really sick a lot when I was younger). So I never went to the hospital over it, but I really probably should have, as I remember it bled a LOT and I couldn't bend my thumb for months afterwards, it still clicks funny.
Moral of the story: you do stupid things and stupid things will happen.