Generally

If I see you driving down the road in a:

• Hummer
• Very Large Truck Of Any Sort
  
• Camaro
• Mustang

or you are driving a car with decals such as these:

• Flames
• Skulls
• Barbed wire
• Any combination of these three

I am going to automatically assume you're a prick and if given the chance I will make absolutely SURE my '94 Buick Regal makes your souped-up Dickmobile eat dust.