The strongman at the fair picked up a giant grapefruit in his giant hand, then squeezed.

The grapefruit was bone dry. The fair barker then began shouting, "If any man can squeeze another drop out of this grapefruit they will win $500!". Now, there were some big gents in the audience and they all decided to try their luck. First came a group of American football players. They all tried and failed. Then came a bunch of burly construction workers. They tried and failed too. Two professional wrestlers suffered the same fate. The barker was about to quit when all of a sudden a skinny gentleman with glasses stepped forward and said, "I'd like to try." The barker and strongman both began to laugh. The crowd also joined in on the laughter, but the skinny man went up to the grapefruit, grabbed it, and squeezed out half a glass of grapefruit juice. The audience, strongman,m and barker were stunned silent. The barker then asked the man, "How can a wimp like you squeeze like that?!" "Simple, the man replied. "I work for the IRS!"