A young boy goes fishing with his Grandad, after ten minutes the Grandad starts drinking beer.
The young boy says "Can I drink some beer Grandad?"
The old man says "Can you stretch your willy between your legs and stick it up your bum?"
Young boy says "No!"
Old man says "You can't have no beer then!"
Five minutes later, the old man starts smoking cigarettes.
Young boy says "Can I smoke some cigarettes Grandad?"
Old man says "Can you stretch your willy between your legs and stick it up your bum?"
Young boy says "No!"
Old man says "You can't have no cigarettes then!"
On the way home the young boy puts a coin in a fruit machine and wins £500!!!
Old man says "I hope your going to share your winnings with me young man?!"
Young boy says "Grandad, can you stretch your willy between your legs and stick it up your bum?"
Old man says "As a matter of fact I can!"
Young boy says "Good, 'cause you can go and bum yourself!
(I hope this isn't too rude...?)