\\ˌ ̷ ̷  ̷ ̷ ˌ ̷ ̷ \ adjective
1. chiefly Britain : portraying or emphasizing the squalid aspects of modern life

the kitchen-sink realism of contemporary British drama — Current Biography

2. : being or made up of a hodgepodge of disparate elements or ingredients

kitchen-sink soup—made with … meat, chicken, fish cake, shrimp, mushrooms and greens — Mimi Sheraton

* * *

ˌkitchen-ˈsink 7 [kitchen-sink] adjective only before noun
(of plays, films, novels, etc.) dealing with ordinary life and ordinary people, especially when this involves describing the boring or difficult side of their lives

a kitchen-sink drama

Useful english dictionary. 2012.