When u open a can of chickpeas and they smell like stinky farts. You then tell your friends about it but they say it’s actually you making the stinky fart smell. You are now questioning things.
You: *open can* ewww that smells like stinky fart chickpeas
You: hey friends, this smells like stinky fart.
Friends: that’s you doing the stinky fart.
The idea that your wrongdoings and misdeeds have caught up with you and you must be held accountable. In context this can be applied in the first or third person.