Three men were driving down a desolate country road one night and ran out of gas. They saw a farm house nearby and went there to ask for help.
The farmer told them that the nearest gas station was over 100 miles away, but he had a spare 10 gallons to give them if they did some work for him in the morning. They agreed.
The next day the farmer told the three men to go out in the field and pick some crops. An hour later the first man returned with a handful of grapes. The farmer said, "If you want the gas then shove the grapes up your ass". So the man shoved the grapes up his ass.
The second man came in with a handful of strawberries and the farmer said, "If you want the gas then shove the strawberries up your ass". So the man shoved the strawberries up his ass.
The two men began laughing. The confused farmer asked, "I just made you shove fruit up your asses, so why are you laughing"?
The two men replied, "the other guy is picking watermelons.