In the ...1970s in Liverpool my big brothers taught me these lines, only slightly different from
masato sakurai - PM 
Date: 17 Jul 02 - 02:20 PM 
( Bled is good to rhyme with head
and
'hung' was shouted at the end of that line)

She had a penknife six inch long

She stuck the knife in the baby's head
Weela weela walia
The more she stuck it, the more it bled.

Three big scuffers come knocking on the door

The babby went to heaven and she got hung



~~~~~~~~~
2
scuffers
An amusing victorian phrase for the 
the police, the Old bill, the bizzies etc.
http://www.urbandictionary.com/define.php?term=scuffers