sewer

(noun) a waste pipe that carries away sewage or surface water. Synonyms: sewerage, cloaca.

(noun) someone who sews. Example: "A sewer of fine gowns."

(noun) misfortune resulting in lost effort or money. Synonyms: gutter, toilet. Examples: "His career was in the gutter." "All that work went down the sewer." "Pensions are in the toilet."