She could not help but burst out laughing. I was not amused, but I was terribly relieved. "Oh, you should see your face!" she gasped. Her hand squeezed my thigh reassuringly. "I'm sorry," she said, "I know that wasn't nice, but I couldn't help it."
"You'll pay for that later," I growled, biting her bottom lip. I checked the rear-view mirror and looked around before backing out of the parking spot. Mom reached into my lap and squeezed my d**k.
"I can't wait," she murmured.
In fact, she could not wait. Once we were back on the highway, she gave me another marvelous blowjob. I know passing truckers got an eyeful of that action. She teased me to the brink of orgasm again and again over the next hour and a half. We pulled off of the highway at a mostly-empty rest stop so she could slurp down
