The barman thinks for a moment and then replies, “I’d just like to ask you a couple of questions first. Tell me, when a sheep dumps why does it come out in little dottles?”
The man shook his head. “I don’t know.”
“OK,” said the barman. “What about cows, why does it come out in a round ‘pat’?”
Again the man shook his head.
“Listen, mate,” said the barman scornfully. “You don’t know shit, so I don’t reckon you’ll be able to do the crossword"