mess up Informal

For example:

• mess up sth Joe has messed up the invitations to our product launch. He put the wrong date on them.
  
  
• mess sth up My daughter had her driver's licence test yesterday, but she messed it up so she'll have to do it again.
  
  
• mess up Sarah's been making a lot of mistakes recently. If she messes up again, she might lose her job.