make a pig's ear of

US /meɪk ə pɪɡz ɪər əv/
UK /meɪk ə pɪɡz ɪər əv/
"make a pig's ear of" picture
1.

to do something very badly

:
I really made a pig's ear of that presentation.
He made a pig's ear of the repairs, so we had to call a professional.