An infinite number of mathematicians walk into a bar. The first one orders a beer. Each subsequent mathematician says "I'll have half of what he just had". The bartender calls them all idiots and pours two beers.
A man walks into a bar and the barman notices he has a steering wheel stuck down the front of his trousers. ‘Hey,’ says the barman. ‘What’s that steering wheel doing down your trousers?’ ‘Oh, don’t start me on that,’ says the man. ‘It’s driving me nuts!’