hash up
phrasal verbPart ofhash
hash up — phrasal verb
1. to make a mess of something or mix it up in a confused way; to do something badl
1.phrasal verb
Definition
to make a mess of something or mix it up in a confused way; to do something badly.
Example
He completely hashed up the presentation by showing the slides in the wrong order.
I trust you with this job — please do not hash it up like last time.