A [b]road roller[/b] is a machine with heavy wide smooth rollers for compacting roadbeds. A [b]steamroller[/b] is a road roller powered by a steam engine, but the word is often used for all road rollers regardless of power source.

Famously associated with [[Dio Brando]] of [[JoJo no Kimyou na Bouken]] ([[road roller da! (meme)|]]) and [[Vocaloid]]s [[Kagamine Rin]] and [[Kagamine Len|Len]] ([[Ore no Road Roller da! (vocaloid)|]]).
ロードローラー