The car's interior steams up as a lone exhibitionist wanks his throbbing dick in plain sight. His eyes flick to the rearview mirror, checking for curious onlookers who might catch his lewd display. The thrill of potential discovery fuels his lust, and he beats his rod faster, harder, until he can't hold back. With a choked cry, he spills his seed, painting his abs with sticky ropes of cum.