streetboard; snakeboard
A wheeled board similar to a skateboard but with two articulated footplates, allowing propulsion without pushing off the ground. Also refers to the sport of streetboarding.
He is riding a streetboard in the park.
Streetboarding is said to be harder to control than skateboarding.
A large outdoor advertising sign, often found along streets or on buildings. This sense is less common than the sports equipment meaning and may be encountered in advertising or urban contexts.
A new billboard was installed in front of the station.
Borrowed from English 'streetboard'. The first sense comes from the brand name 'Streetboard' for a type of snakeboard. The second sense is a direct loan of 'street board' meaning a large outdoor advertising sign.