make a pig's ear of something
make a pig's ear of (something)
To do a very poor job of something; to ruin something completely. Primarily heard in UK. I'm going to need to start this table over again from scratch—I really made a pig's ear of it. Janet made a pig's ear of the Jefferson account, so I'm going to need you to come in at the weekend and put things in order.
make a pig's ear of somethingBRITISH, INFORMAL
If someone makes a pig's ear of something that they are doing, they do it very badly. I made a pig's ear of it last time and I'm going to make sure that won't happen again. Other countries have also made a pig's ear of their radioactive waste policy. Note: People sometimes vary this expression, for example by saying that something is a pig's ear. The current state of British sports politics is an absolute pig's ear. Note: This expression may refer to the fact that most parts of a pig can be eaten, but the ears are the least useful part.