The act of inserting a clean quarter into your partner’s asshole, waiting an hour, and then reaching into the aforementioned anus to retrieve the quarter.
Tom was always the more adventurous one in the group, well known for performing the Dirty Quarter maneuver on his girlfriend on only their second date.
While having doggystyle sex, the male inserts his thumb into the female's anus while the other four fingers are spread across the top of her ass cheeks resembling a quarterback in the snap position. A dirty sanchez can be performed afterward if the male desires
Dude, I gave Candice the Dirty Quarterback last night. It scared her at first but she liked it!