Specifically in this case, the saying is true - you like to go for a ride like to pay for your trip. And it's not about the money, because hitchhikers do not like to pay money - well, she did not pay. The driver combined business with pleasure: he found some company for the road, and in doing so, he threw off his tension. Although, for those who have watched it to the end, it's clear that the girl was just tricked. Maybe this will teach her to pay for the services she uses, instead of trying to get freebies everywhere!
The important thing is not the fact that her ass is big, but how the fat lady knows how to use it. To accentuate her beauty, she smeared oil on her ass, and then actively jumped on the shaft of the mongrel.