An Ork's love of speed can easily affect his brain, to the point where an Ork becomes addicted to the thrill of a wild ride into battle. Beyond even a Speed Freek's delirium there are also Flyboyz, whose need for speed has driven them into the air in search of ever greater thrills, piloting the Ork's Fightas and Fighta-Bommerz.

Though some Warbosses rise to prominence through low cunning, most seize power through the application of brute force. A Warboss will hold dominion over all he surveys, and beat the living daylights out of anyone who says different. His decisions are enforced by a ruling caste of Orks known as Nobz, who are larger, richer and more aggressive than normal Orks, and never miss an opportunity to remind them of it.Ork WAAAGHs! grow in size so long as they have something to conquer. Success breeds further success, and every Ork victory calls yet more Greenskins. They can mass in such overwhelming numbers that nothing can stop them. Even Fort The largest Ork organizational unit is the tribe, a group of numerous warbands all under the command of a warboss. Different tribes can be united by a powerful warboss known as a warlord when he raises a WAAAGH! Although all Orks belong to a tribe, most also belong to klanz such as the Goffs or Evil Sunz. Tribes are constantly breaking apart and reforming in the crucible of battle, but the klanz are constant and enduring. A large tribe usually contains many different klanz, and each klan has its own distinct character and identity. The Stormboyz and Flash Gitz also represent kults, while those Orks who are unusually sensitive to the growing pool of gestalt psychic energy surrounding a gathering WAAAGH! may become Madboyz. Orks are thus genetically engineered to be muscular, aggressive, and none too bright; their technology is maintained by a caste of Oddboyz who possess genetically-implanted dispositions and technical knowledge that grant them unusual skill with maintaining and developing technology.

So long as the average Ork has someone to fight, someone bigger than him to tell him who to kill next, and someone smaller than him to beat up, he will know contentment. Orks don't tend to go hungry as they can eat virtually anything, even Grots, Snotlings or one another at a pinch.Whether because of his grating self-aggrandisement, eating the local Big Mek's favourite Grot oiler without permission, or committing the cardinal sin of strutting about with a bigger, shinier Shoota than the Warboss, a Flash Git will normally find himself ejected from his tribe. However, this skill is an unconscious one preserved through genetic memories hard-wired into the Oddboyz's DNA by the Brain Boyz millions of standard years ago. Even if a Freebooter's terms are met, he might still get distracted by better prospects, the lure of easy plunder enough to sway most kaptins. Whether they fight alongside a WAAAGH! or tear around the void raiding planets and stealing ships, Freebooterz often become disgustingly rich, leading many to become Flash Gitz. Meanwhile other intelligent races steeped in high-flown philosophy fall into the same traps time and again, doomed to stagnate and decline, unless of course they are first conquered by the Orks.