I also had a joke. A very long, old joke.

It was about a revolutionary new product which crumbled when placed in the mouth. It was particularly recommended for some breeds of dogs and cleared any problem relating to bad breath with ease. The makers tried to keep it from the press until they were ready for a big launch but one day the news leaked out:
The headline writers had a field day, The papers proclaimed:
Super Collie Fragile Biscuits Expel Halitosis

Worthy of Frank Muir do you think?