kitchen sink

Short definition from Wiktionary

Noun

1. 1
   A sink in a kitchen used for washing crockery, cutlery, utensils, food, etc., and disposing of waste.
2. 2
   A miscellaneous item or a miscellany, especially exemplifying an indiscriminate profusion.
3. 3
   In chained or tied to the kitchen sink, etc.: domestic chores or housework, especially when regarded as menial and tedious.
4. 4
   A thing regarded as defiled due to corruption, immorality, etc.

Adjective

1. 1
   Of or pertaining to a mid-20th-century realist style of painting in Britain characterized by scenes of dull or untidy domestic interiors such as kitchens in the homes of urban working-class people; also, of or pertaining to an artist or group of artists painting in this style.
2. 2
   Of or pertaining to a mid-20th-century (especially 1950s–1960s) genre of drama, fiction, etc., in Britain depicting the harsh lives of working-class people; also, of or pertaining to a film, novel, play, etc., of this genre.

Verb

1. 1
   To make (something) overly complicated or elaborate; to overcomplicate, to overwork.
2. 2
   To raise to (someone) unrelated complaints and other matters during an argument.
3. 3
   To release (a large amount of information about the poor financial results of a company) in one go, in the hope that there will be less impact.
4. 4
   To raise unrelated complaints and other matters during an argument.