What does HHR stand for on the new Chevy HHR?

[doremi3212001]

I know that the Chevy SSR is Super Sport Roadster. My aunt has an HHR so we are trying to figure out what it stands for.

[bigfordtruckgurl]

Its Chevy's new line of crossover cars. I don't think it really stands for anything just like the SRT 10 Dodge Viper Truck, its just a model.

[halcyon]

Heavy Hillbilly Ride