Fill-Up."

[gjb]

A gas station owner in Tennessee was trying to increase his sales.
So he put up a sign that read, "Free Sex with Fill-Up."

Soon a local redneck pulled in, filled his tank and asked for his free sex.
The owner told him to pick a number from 1 to 10.
If he guessed correctly he would get his free sex.
The redneck guessed 8, and the proprietor said, "You were close. The number was 7. Sorry, no sex this time."

A week later, the same redneck, along with a buddy, Bubba, pulled in for another fill-up. Again he asked for his free sex.
The proprietor again asked him to guess the correct number.
The redneck guessed 2 this time. The proprietor said, "Sorry, it was 3.
You were close, but no free sex this time."

As they were driving away, the redneck said to his buddy, "I think that game is rigged and he doesn't really give away free sex."
Bubba replied, "It ain't rigged. My wife won twice last week.