The title of this article is conjectural. Though the topic is found within The Simpsons universe, a proper name is not available.
The Evergreen Terrace Subway couch gag is the thirteenth couch gag of Season 11.
The couch is in the Evergreen Terrace Subway Station. The Simpsons run in and sit on the couch as usual. Then they get on the next subway train that arrives by the station, and the subway train leaves.