Shelve Jokes

THIS IS A REAL SICKENING ONE. PLEASE DONT READ IF YOU HAVE A WEAK HEART...
There was once this guy who liked to travel from pub to pub across the countryside. One day, he came up to a pub he had never heard of. He went inside and sat at the bar.
"What'll it be?" asked the bartender. "A beer thanks, but what's that jar?" he said pointing up to a jar on the top shelve. "Well, anyone who can drink it wins the collected prize money, which stands at around 80 dollars right now." said the bartender.
"What's in it?" the man asked. "Used to be a spittoon, everyone spat in the thing as a joke and now were looking for a brave man."
The man looked around at all the people watching attentively, "No that's a bit much for me I think."
Then suddenly people from in the pub started betting money on it. "Come on! Give it a go!" said people from the bar.
Before the man knew it the bet had gone up to 500 more...