Give cockney's saying that includes these tube stations

[EdScratcher]

Bank your (St)Pauls on the Elephant's Castle and Turnham Green but don't get your Barons Court.
Crowded, all shoving, poking and groping mass on PIccadilly line going eastwards suddenly comes to a halt, throwing passengers about despite bodily proximity. A lone voice yells out IS THIS COCK FOSTER'S? Answer: Yes,
And what' more, don't pinch.

There is, of course, an Underground station crossword to try.

[Anngel123]

Ed, did you give the answer instead of the question?