Derived from the original town bike. Derogatory term for a sexually promiscuous woman , one who is said to have been ridden by many or most of the town's men. She's the office bike, shes been ridden by everybody.
1: Austin Powers (Mike Myers) to Vanessa Kensington (Elizabeth Hurley) admitting having had sex with Alotta Fagina (Fabiana Udenio) in Austin Powers (1998): ' Don't worry about the Italian bird , okay? She's the village-bicycle . Everyone's had a ride .'
2: A: "Wow that fill-in receptionist is cool" B: "nah forget her she is the office bike".