(v.) When upon quickly leaving a rancid smelling public restroom, of which smell you are not responsible for, you are met with scorn and disdain from a person entering the restroom.

cf. "shat up"
The state of being accused for making a bathroom stench that was actually made by an earlier user.

To stool pigeon (trans.): to accuse wrongly another person of creating the foul stench in a public restroom as she/he leaves and you enter