vomit comet
n.β Β«Aspen partygoers, beware. Transportation officials have voted to hire a security firm to patrol the bus station and late-night buses on Fridays and Saturdays that commonly have to take drunken passengers home from Aspen. The bus service on those nights has been inauspiciously dubbed the “Vomit Comet.”…βIβve been on the Vomit Comet before, and most of them arenβt true criminals.…Theyβre just drunk.”Β» ββGuards to Be Placed βVomit Cometβ Buses” in Aspen, Colorado Washington Post Sept. 18, 2006. (source: Double-Tongued Dictionary)