A tourist was watching an Indigenous man sending smoke signals. Everything around him was primitive, except of a latest model fire extinguisher. "What's the fire extinguisher for?" the tourist wondered. "It's for erasing the misspellings!"

George W. Bush went to see the doctor to get the results of his brain scan. The doctor said: "Mr. President, I have some bad news for you. First, we have discovered that your brain has two sides: the left side and the right side." Bush interrupted, "Well, that’s normal, isn’t it? I thought everybody had two sides to their brain?" The doctor replied, "That’s true, Mr. President. But your brain is very unusual because on the left side there isn’t anything right, while on the right side there isn’t anything left."

No! You don't have "Bad luck". You have low IQ and you make bad decisions.

A man asked for a meal in a restaurant. The waiter brought the food and put it on the table. After a moment, the man called the waiter and said: "Waiter! Waiter! There's a fly in my soup!" "Please don't speak so loudly, sir," said the waiter, "or everyone will want one."

Apparently Neil Armstrong use to tell unfunny jokes about the Moon, and followed them up with "Ah, I guess you had to be there."