Joe is a nickname for the man named Joseph Maternalfigure, or by his nickname, Joe Mama. People often use his name for trolling purposes.
Larry: Hey, when's Joe gonna be here?
Joe: Dude... I'm right here.
Larry: Joe Mama!
Joe: I'm going to kill you Larry.
That feeling you get where absolutely everything is awful, but you've been doing good enough that you're just using that momentum to push through.
"Dude, I just got everything in my life down packed, and now everything's starting to go awful. Feelin' pretty glorpimedious right now, we ball"