When a man's penis, whether hard or not, is pointing upwards in his pants against his stomach. Usually happens when laying down, but is most uncomfortablestanding up.
*whispers to Dalton sitting next to him in class* Dude, I'm up so up north right now, but I don't want anyone to see me adjust myself.
A Michigan/Midwest term for girls who are a 10/10 in the country/"up north" but a solid 6 or 7 or so in the city. Often found in the company of trashy people or guys in camo.
MichiBro 1: Yo, something about Kaleigh is kinda cute.
MichiBro 2: Yeah man,she's not hot but she's up north hot.