A person who has a moment of badassness.
-Hey Harold, that guy just totally took a greasy shit all over Jim's shaggin wagon.
Yeah, he fuckin' got under.
-Dude dont be such a little pussy.
The fuck you talkin bout bro? I've been getting under all day.
-Check out my knuckles Chuck. I think they might be broken. I got into a fight with a niglet last night and took him to the cleaners.
Oh you fuckin' got under? Yeah look at that.