A girl who acts as a surrogate sex partner shared by an anonymous group such as a town or province.
A girl who fucks so many men that she approaches the annual statistics of a public service like water or garbage utilities.
The sexual equivalent of a public urinal
Guy 1: Shelly is a tandem town bike cause i heard she is letting people go 2 or 3 at a time now.
Guy 2: Sheesh!, That broad has seen more dick than a stadium urinal.
A female who gets ridden by all comers (cummers). The word "comers" is a double entendre also meaning "cummers" - semen ejaculators.
A female who pedals (peddles) her ass around town or who is pedalled (peddled) around town. The word "pedal" is a double entendre also meaning "peddle" - to sell.
Almost everyone has ridden the/that Town Bike. The Town Bike is a joy ride. The Town Bike is pedalled (peddled) all over town.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).