This charming phrase
first gained usage
in the early 80’s and is still widely used today in the advertising industry
. It is a useful phrase to be aware of, in that it serves as a reminder
of the level of contempt
in which that industry holds its intended target
It refers specifically to that type of television commercial where two women are seen in a domestic setting "naturalistically" discussing the relative merits of products, thus:
Woman A : How do you get your whites looking so white and smelling so fresh?
Woman B : I use Super-Fresh Whiter-Than-White! Now with added freshness!
Woman A : I think it’s time I switched to Super-Fresh Whiter-Than-White!!
(Both women smile. Cue jingle.)
In case you haven’t already guessed, "2 c's in a k" stands for "two cunts in a kitchen".