A bag attached to a tube that is inserted into the anus for purpose of caching fart-gas. A one-way valve at the bag connection prevents dissipation.
A vintage year gas is stored in a fartbag.
A fartbag can be placed in a sandwich, making a "fartbag-sandwich"
Sometimes one may experience a "fartbag-in-the-city" sensation when overwhelmed.
October 08, 2003