A vehicle typically driven by white teens aged 16 - 20 that has had a body kit installed, an enormous spoiler, and an after market exhaust whose "performance gains vs. decibel level" ratio is questionable at best.
Vehicles commonly turned into douche rods are the Honda Civic and Chevrolet Cavalier (model years 1990-1995).
It is a requirement of all douche rod pilots to recline their seat to the maximum setting, presumably to reduce drag or increase the ease of receiving oral sex from their copilot.
"I didn't realize the Douche Rod Expo at the mall parking lot was a year-round event"
"I wish these kids in their douche rods would stop driving by my house at night so I could get some sleep"
"Grandma couldn't afford a reasonable used car; now she looks pretty silly driving around in that douche rod"