i actually did that once, i dont remember this story at all but apparently when my family was on a long fieldtrip i had to go to the bathroom really bad (i was maybe 5) so my parents stop at a house and tell me to go ask to use the bathroom, but they werent home and i had a roll of toilet paper in my hand, so i just shit on the lawn and left it there wadded in toilet paper, you cant even blame the dog it was so obvious that someone came up and shit on the lawn, but my parents didnt know i did that until i got in the car and they asked if i was able to go to the bathroom, i said something like "no so i pooped on the grass", hilarious story