speed demon

noun

, Informal.

1. a person who travels or works at high speed.

Example Sentences

McDonald developed the little speed demon, helping him go from a 7-year-old who could barely shoot or dribble to a major college prospect under her guidance with the Compton Magic club team.

From Los Angeles Times

Another rant to the speed demons that weave through pedestrian traffic as fast as they can go.

From Seattle Times

Guarding is generally crazy, especially if you are keeping an eye on an energetic speed demon named Natalie.

From Seattle Times

Morgan’s game has evolved in recent years, from speed demon racing behind defenders to nuanced forward.

From Washington Post

In “Sonic the Hedgehog 2,” there is no problem that its titular speed demon can’t outrun.

From Washington Post