The first customer into a new bar...

walks over to the barman.
"Jack and coke please, mate." he says. The barman, without a word, bends down and pulls an apple from the fridge, placing it on the bar in front of his customer. "Er... I asked for a Jack Daniels and coke, mate." says the guy, confused.
"Just bite it." says the barman. The guy shrugs and takes a bite. Immediately his face lights up with surprise.
"That's Jack alright!" he exclaims. "But where's the coke."
"Turn it around." replies the barman. The customer does as he says, and sure enough, the other side of the apple tastes just like coca-cola. Ten minutes later, another customer walks in.
"Vodka and Orange please." Same thing happens again. One side of the apple is Vodka, the other fresh orange juice. Word gets out about the bar and soon it's the busiest joint in town. A local tough guy hears about it and goes in, figuring to catch the new bar out.
"I've heard your apples can taste like anything!" he shouts, loud enough for everyone in the now packed bar to hear him. The bar falls silent as the guy is a well known hard case.
"Well... I don't know about that..." stutters the landlord.
"Give me one that tastes like pussy!" Demands the tough guy. Everyone watches intently as the barman places an apple on the counter... and the guy takes a bite...
"Urgh!" he says, spitting it out all over the now terrified barman. "That tastes like shit!"
Everyone in the bar shouts back "Turn it around!"