Some one who loads a lot of expensive software on a computer to raise its' price. Then sells the computer without the program disks, and keys, when a program needs to be reloaded the buyer is hosed.
The xp on my computer didn't have a disk or coa I need to reload it, the loader says not his problem.
To commit an act of foolishness or shenanigans, usually in direct contravention to common sense. May involve, but is not limited to, acts where self-inflicted wounds are involved.
May also be referred to as a DL
"I Loader'd myself on that one"
"So, I pulled a loader with that Tomahawk"
"You're such a Loader"