It refers to a sort of production auto in which significant changes have been made to the engine, chasis and body by the owner of the vehicle to acquire outstanding speed and acceleration.
A production auto that has been modified by the owner for outstanding speed and acceleration through extensive changes to the engine, chassis, and body.
Traditional hot rods are Ford model T and model A style automobiles (as they are the first American cars that are made with vanadium steel) that have been modified to enhance performance and speed.
Hot Rod is a movie starring Andy Samberg, Sissy Spacek, Jorma Taccone, Will Arnett, Danny Mc Bride, Ian Mc Shane, Isla Fisher, Sarah Wulfeck, Amy Palant and Bill Hader. The film is currently on post-production, and due out on June 1 2007.