An acknowledgment of a fact, implying indifference or low-level disdain. Like the CB radio term "10-4", but of mundane or slightly annoyingreal-life situations.
Local Man: "Hey Area Man, wake up! You've gotta be at work in half an hour!"
Someone who gives zero fucks about anything. They do whatever they want, whenever they want, wherever they want!
Conner: "Yo Ethan! Did you do the assignment for Grad School?"
Ethan: "Nah Bro, I am a Super Gremlin, I skipped class and smoked a backwood the size of King Kong's finger with the Professors wife."