Make Out (1968)

Four young women sit in a bar and decide to eleven their evening. One girl is chosen to pick up a man at the bar. She goes with him to a motel and steals the keys to his car. The women go on a cross-country trip trading their bodies for gas, car repairs and food. They also become involved in an orgy. Eventually they are tracked down, arrested and placed on probation under the custody of their parents.