Cockney knee trembler?
Can somebody tell me what "A Cockney knee trembler" is?

Context: People were poor during the war (WW II?) and paid this for rent???

Question

Cockney knee trembler?
Can somebody tell me what "A Cockney knee trembler" is?

Context: People were poor during the war (WW II?) and paid this for rent???

Answer

Merry knee trembling Christmas to one and all.

Answer

all is said: "knee trembler"

Answer

A "knee-trembler" means sex, standing up, very quick.  "Cockney" just sets it in London.