This made my day :
http://www.youtube.com/watch?v=v-cgB6rfg5o&feature=relatedDude, 10 meters high ! I once made a mistake like this one too, but it was from 1 meter and my back hurt that I just pissed on myself...
[EDIT] I just returned from a smelly tastey bbq. mnom mnom mnom said my mouth !
He must've had terrible depth perception.