I have fallen off MANY times. But bucked off only twice.
First time I was on a green horse. Horse in front starts cantering. I try to hold baby back, baby bucks I go off . I land in soft dirt on my tummy. Dont' release reins, baby runs forward a few steps so I am dirt skiing on my tummy.
Later that day, I went straight from the barn to the dentist and when I went in to go potty, dropped my breeches and quite a bit of dirt fell onto the floor, I had belly scooped it up .
Next time. Trying to show my friend how to deal with her fractious horse. No time to go get my helmet (stupid me). I get on , work him, things going great but stop to chat, and when try ing to leave the resting space, he baulks. I press, he rears! I lean forward to stay on and without me being aware of it, my pant waistband gets hung up over the horn. He comes down and goes straight into bucking. I come off like pronto (I couldnt' do much since I was snagged on the horn) But, don't fall to the ground becuase I am hanging off the side of this bucking horse, by my pant waist! I think "HOly @#$%! I am in serious trouble here!" Just then my pants rip and lay me on the ground just as nice as you please.
I stood up, pulled my pants together and yelled at my friend "Go get your helmet, I'm getting back on". So, using her helmet, I got back on and rode a wee bit til he was calm and my pride not so bruised. But, that was one embarasshing day.
I thought the pants were goners as the tear was huge (like 16 inches long), ,but my friend snuck them home and for Christmas , sewed them together and now we call them the Frankenstein pants.