"He just braffed up that curb!"
"I want to go braff up that hill."
The act of putting the drunkest possible side of your face down on a surface of your surroundings and taking a self-pic.
Kim: oh i was just gunna walk around... why, where do you go when you soul search?
(J.D. has a flashback to himself sitting on a girly unicorn named Justin, or in other words Braffing)
J.D.: I go to some place wonderful.