This is the version I know - very similar to Walter Pardon's, but I have this from George Spicer on the 'Down In the Fields' Veteran compilation.

Cock-a-doodle-do (George Spicer, Gloucestershire)

I only had three and six
I thought I'd buy some stock
I handed this man me three and six, he gave me back a

(Chorus)
Cock-a-doodle-do, it's nothing to do with you
It's a jolly fine cock, you all know what, it's me cock-a-doodle-do

Now I put me cock under me arm
Went walking down Laws Row
I gave me arm a bit of a twist, me cock began to crow
A lady passing by
She got a terrible shock
She said, 'young man, if you don't look out you're going to lose your...' (Chorus)

Now I put me cock in the back yard
Along with another old hen
Me cock got into an awful rage and fluttered on top of the hen
So I called me mother to look
Me head she gave such a knock
She said 'you fool, why can't you see me hen's got under your...' (Chorus)

Now kind friends I must be going
I can no longer stay
For if I sing you another song like this it'll take me half the day
But before I finish this song
The door I'm going to lock
Is there any young lady in the room would like to look at my... (Chorus)

This song has always made me laugh so much, so it was really interesting to see so many different versions on here, of which I was unaware. Thanks everyone!

Fair Ellender