I think there are at least two verses after "jump up and down " I can remember the last verse but not the penultimate one.
The last verse goes like this..

Now the famer was furious when he saw him lying there dead .......???
And he rams a handy bucket over Gwendoline's head.
These days Gwnedoline's quite beautiful, the bucket's still there,
And she's quite demure excpt when the manure trickles down through her hair.

Can anyone remember what goes in between?