speedboarding means an extreme sport which involves racing on a streamline skateboard down steep hills, often on public roads. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
noun
- An extreme sport which involves racing on a streamline skateboard down steep hills, often on public roads.“Sophomore Jason Pennell started longboarding, and like Lund, it eventually led him to speedboarding. Pennell loves racing with others and welcoming new riders to the sport.”