make a pig's ear of

make a pig's ear of something/doing something

  (British informal)
to do something very badly Tim made a right pig's ear of putting those shelves up.
See also: ear, make, of
References in periodicals archive ?
He would have been better employed reaching for the Chambers dictionary, which confirms that 'to make a pig's ear of (something)' means 'to make a mess of something' or 'to do something badly or clumsily'.