Cycling is not a board sport, as it does not involve riding a board on a wave, snow, or pavement.

In board sports culture, a crew is a group of individuals who share a common interest in a particular sport and often travel and skate together.

A backside 180 is a snowboarding trick, not a skateboarding trick.

A rogue wave is a large, unpredictable wave that can occur in any body of water and is often much larger than the surrounding waves.

SUP stands for stand-up paddleboarding, which is a different water sport that involves standing on a large surfboard and using a paddle to propel oneself through the water.

A freestyler is a snowboarder who focuses on performing tricks and jumps in the air, rather than racing or riding on groomed trails.

Burton EST is a proprietary binding system developed by Burton Snowboards, and is not as common as the other binding types listed.

A local crew is a group of surfers who live near a particular surf break and have a sense of ownership and responsibility for it.

River breaks are not common, as they require a specific set of conditions, such as a fast-moving river with a consistent flow and a steep drop-off.

A longboarder is a surfer who rides a longboard, which is a type of surfboard that is typically longer than 9 feet.

Rollerblade wheels are not used on skateboards, as they are designed for inline skates.

A powder hound is a snowboarder who seeks out and enjoys riding in deep powder snow.

Harbor breaks are not common, as they require a specific set of conditions, such as a protected harbor with consistent waves.

A street skater is a skateboarder who focuses on performing technical tricks on street obstacles, such as rails, stairs, and curbs.

Moguls are not a common type of snowboard terrain, as they are typically found on groomed trails and are more suited for skiing.