I know the parody of 'Jerusalem' as:

Last night I borrowed a fulldress suit
To go to a fulldress ball,
The jacket was too short for me,
The trousers were too tall,
I cut six inches off the end
And went to the fulldress ba-a-all.

Chorus:
You're losing 'em, you're losing 'em!
They're hanging on the floor,
Who's are they? Who's are they?
We're sure that they are not yours,
Who's are they? Who's are they?
We're sure that they are not yours!

Enjoy!

Barrie Roberts