messy mix-up
nounUK /ˈmesi ˈmɪks ʌp/
US /ˈmesi ˈmɪks ʌp/
A messy mix-up is when things get all jumbled and confused by mistake.
The party plans were a messy mix-up because everyone wrote down a different time.
OTHER MEANINGS
2. A situation where people or things are accidentally swapped or mistaken for each other.
There was a messy mix-up with our luggage at the airport.
3. A confused tangle of things that is hard to sort out.
The cables behind the desk were a messy mix-up of wires.
4. A small mistake that causes a lot of confusion.
A messy mix-up in the schedule made everyone show up on the wrong day.