Forgetting to zip back up after going to the bathroom in a public place. Often accompanied by a "zipper coma", where you almost NEVER remember to attend to that little matter.
n. The result of a wardrobe malfunction involving the tiny, weird short-cut shorts designed to display underbutt that 60% of the female population of Los Angeles wear on Sundays. Usually associated with brunch.
Remember Janet Jackson's nip slip during the superbowl?
Yeah, but check it out, dude: the nip slip is dead. Did you catch Miley Cyrus' anus slip on instagram?