mess up
/ˈmɛs ʌp/
noun
- A situation in which something goes wrong or is done badly; a mistake or failure.
- The company's new product launch was a complete mess-up.
- There was a big mess-up with the hotel reservations, and we had no room.
- The project was a mess-up from start to finish because of poor planning.
- A person who is very disorganized or who often makes mistakes.
- I used to be a mess-up in school, but I've learned to be more careful.
- He's a total mess-up when it comes to managing his finances.
- Don't ask her to organize the event — she's a mess-up.