The children who listen to Tim, tra la
Will probably know how to swear
As they hear the words that he'll sing, tra la
Hear him say "m****rf***ing", tra la
As parents, we shouldn't go there, no
As parents we shouldn't go there

And that's why I say that we shouldn't give in
And not let our wee children listen to Tim

Tra la etc.

(and the second verse, as in the original, told from a different perspective)

The children who listen to Tim, tra la
Will probably know how to think
They will be irreligious as him, tra la
With a sceptical view of all things, tra la
From religious debate they won't shrink, no
Into that world they won't sink

And rather than have my kids listen to hymns
I'll give 'em no choice, make 'em listen to Tim

Tra la.. etc