A term used to describe an area, room, etc. which looks extremely messy, but the owner knows exactly where everything is.
MOM: Look at this room! It's a mess!
KID: No it's not, it's organized chaos.
A situation or place that seems to be in chaos, but has an underlying organization and pattern which is evident to those involved in the situation
Mom: Clean up your room, NOW! You cant find anything in this mess..
Child: No Mom, YOU cant find anything because you just see a mess. I know where everything is. Its organized chaos