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5.
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.
by Golem April 16, 2006
 
1.
The girl that everyone has had sex with, the analogy is the town bike that everyone gets a ride from.
That ho's the town bike
by Sam A.M. October 18, 2003
 
2.
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.
by el-dday January 13, 2007
 
3.
A girl that is like a bike that belongs to the town everybody gets a ride
That girl has slept with 20 men this week
by john lipuma June 27, 2005
 
4.
A girl of questionable virtue. i.e a dead cert for the price of a bag of chips and family size bottle of tizer.
wear a condom, do not rely on the rythm method. also see MORE PRICKS THAN A DART BOARD
by Tezza November 11, 2003