What's the best limerick you've ever heard?

[KenAdams]

We were discussing limericks this week and I haven't heard a good one in ages.

Anyone got a favourite they'd like to share?

There was a man from 'Uddersfield
Who had a cow that would not yield
The reason that it would not yield
It didn't like its udders feeled

There was a young lady from Gorton
Who had one long leg and one short 'un
She made up for that with a really big twat
And a fart like an 850 Norton

That Princess Margaret one made me snort with laughter!