common sewer

noun

noun

Etymology A punning allusion to shared drains for sewage. Compare drain (“a drink”).

UK, Archaic, Slang A communal session of drinking alcohol.

When men go into a 'sluicery' for a 'sensation,' a 'drain,' or a 'common sewer,' they call the glass of gin they seek, in allusion to the juniper, a 'nipper,' or, more briefly, a 'nip,' occasionally a 'bite,' and not unfrequently it turns out a 'flogger.'1869, Meliora, volume 12, page 47:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.