The billionaire was taking his bath when he had to fart...
Not wanting to embarrass himself in front of his manservant,
he said "Jeeves, go downstairs and fetch me a cup of coffee."
"Very good, sir" said the butler and made for the bathroom door.
By now the billionaire was struggling to hold it in, but finally Jeeves closed the door behind him.
A substantial and very satisfying eruption ensued.
A few minutes later, Jeeves returned, holding a cup of coffee. Tucked under his arm was a hot water bottle.
"What's that for? I only asked for a cup of coffee."
"But sir, as I closed the door, I distinctly heard you say "WABBADABBABOUDAABODDLE"