sphincter fidelity
the ability to differentiate between gas and liquid or solid matter which is causing an urge to be expelled from the anal sphincter.
After you reach the age of 50, you sphincter fidelity goes down and it's wise to go to the restroom to fart.
Jim got so drunk that he lost sphincter fidelity resulting in a nasty shart.
Jim got so drunk that he lost sphincter fidelity resulting in a nasty shart.