diesel douche
A boy, not a man. Who has daddy's truck out for the weekend and likes to blow black smoke and pick up diesel whores thinks his stack is bigger than yours and his pockets are too, refers to his turbo whistle ass a "panty delete kit" usually doesn't have the biggest feet if you know what I mean.
He's a diesel doucher. You're such a diesel douche.
Diesel Douche
A person who has no intention of using the "technical" use for a diesel truck. Instead of being simple, practical and functional, they heavily modify diesel their pick-ups with high performance modifications, loud exhausts, flashy wheels and street tires. Often used just for hot rodding.
He bought a low mileage one owner Cummins and lowered it on street tires, with compounds and a FMBV trans. He can't even tow with it anymore! He's such a Diesel Douche!
Diesel Douche
A post-pubescent rural male that shows their plumage through an overly modified diesel pickup; his father was generally a man that had an IROC in the 1980s
Dan has a lifted F250 diesel with modified injectors that "rolls coal", when he does gratuitous burnouts in front of people's houses, the world, and any female he was contemplating copulating with, thinks of him as a diesel douche.