It's most likely from the big-headed fair-weather Laker fan head you've got. Or that load of aerodynamically inefficient bling-bling crap you've got Elmered on your LaLa street rig and the fact that the driver is gravitationally disadvantaged.
Also, you might want to make sure that someone hasn't latched onto you from behind and is leeching a free ride up the hill.
Check your undercarriage for one of those faggy little hybrid toys. Maybe we all got lucky and you ran over Tim Robbins & Susan Sarandon.
