Had alot of them..
1) At a theme park(has alot of machines that can fly you around,
kids like it), i went under the flying machine and the left of my
face scarred badly, and the whole chunk of my left leg's
thigh)
but after a operation its ok, just that i still have a 1.5cm scar
on my thigh 
2) I jumped into a adult size pool when i was around P1, but
mangaged to get up somehow...
3) Dropped down of a monkey bar, was so giddy and i bit a hole in
my tongue...
thinking back of it, awww dam 