tworider
tworider is a term that can refer to several different concepts, primarily related to shared transportation. Most commonly, it refers to a two-wheeled vehicle designed for two occupants. This typically includes motorcycles, scooters, and some types of bicycles where a second seat or seating position is incorporated. In these cases, tworider describes the capacity of the vehicle to carry a rider and a passenger.
The term can also be used more broadly to describe any situation where two people are riding
In some specific subcultures or online communities, "tworider" might be a username or handle chosen by an