vomit comet
n.— «Toronto Transit Commission officials are pondering extending subway service to 24 hours a day according to a published report.…“I think it’s a really great idea because I know that when I go out late at night taking the “vomit comet” as we so affectionately call it. It’s not the best way to get home.”» —“24-Hour TTC Service Proposed” by CHUM-TV CityNews (Toronto, Ontario, Canada) Sept. 21, 2006. (source: Double-Tongued Dictionary)