What did the idiot do with the flea in his ear?
He shot it!
What do you call the flea that lives in the idiot's ear?
The space invader!
Why was the glowworm unhappy?
Because her children were not very bright!
When visiting South Africa, Daniel the Englishman asked a South African the question:
"Why is it that some South Africans say 'Ja' (pronounced as "ya") while others say 'Yes' if they have the same meanings?"
"Clever people say 'Yes' while stupid people say 'Ja'," was his reply.
"So, are you clever?" asked Daniel.
"Ja," replied the South African.
How many flies does it take to screw in a light bulb? Two, but you've got to get them in there first.