My Dear old Father in law used to sing this song at family reunions all were Londoners born an bred, I beleive the words went like this.

One Sunday afternoon I went to take a walk
I walked as far as Petticoat Lane and there I had a talk
To a man who was selling birds; I asked for a view of his stock.
I handed over half a crown and he gave me back a ...

Chorus : Cock-a-Doodle Doo. It's nothing to do with you.
It's a very small cock, but it's all he's got
And it's nothing to do with you.

I put the cock under my coat to shelter it from the rain.
When half way down the lane the cock began to crow.
A lady was passing by, she gave me a bit of a shock:
She placed her hand beneath me coat and grabbed the end of me ...

Chorus :

My friends I must away for I can no longer stay.
If I did not stay I'd be miles away
But before I go there is something I'd like to know.
Is there any young lady here tonight who would like to borrow me ...

CHO :