When you drop a fat load and are blessed with not having to wipe your ass, as your shit miraculously left no trace on your anus.
"Nothing like a Miracle Shit when you're low on toilet paper."
"I wiped and there was nothing! Talk about a Miracle Shit!"
"I wiped and there was nothing! Talk about a Miracle Shit!"
by BanterBean April 18, 2017
Get the Miracle Shitmug.