A shiny kitchen sink.
The place where you wash your dishes is an examples of a kitchen sink.
Origin of kitchen-sink; from common expression, everything but thekitchen sink, everything possible included without discrimination showing a lack of discriminating thought or careful planning; random; indiscriminate: a sitcom with a kitchen-sink series of subplots
Origin of kitchen-sinkfrom use of the kitchen sink as a symbol of drab and unpleasant aspects of domesticityChiefly Brit. portraying life, esp. domestic situations, with realism that emphasizes the negative or sordid aspects
(plural kitchen sinks)
Probably from everything but the kitchen sink