Someone who is open to pleasuring anyone who asks.
Also is a sex position.
First you need to know what a bicycle is. Its when a guy and a girl does doggy style, but the guy holds the girl's shoulders like handle bars and pedal's his feet like a bicycle.
A town bicycle is when a group of people does the bicycle, but in a line. so the 2nd girl's face is in the 1st girl's crotch. and the 3rd girl's face is in the 2nd girl's crotch, and so on.
Hey Timmothy, do you want to set a world record for most people doing the town bicycle?