chop and change

If you say that someone is chopping and changing, you mean that they keep changing their plans, often when you think that this is unnecessary. This expression is used in British English.

After chopping and changing for the first year, Paul and Jamie have settled down to a stable system of management.

Chopping and changing around does not always pay and tends to get confusing.

for the chop¹

get the chop

If someone is for the chop, they are about to lose their job. If they get the chop, they lose their job. These are informal expressions, which are used in British English.

rumours that he is for the chop.

He had hardly settled into his new job when he got the chop due to cutbacks.

You can say that someone is trying to avoid the chop when they are trying to avoid losing their job, or that they face the chop when they are likely to lose their job.

clockwatchers at other banks in are turning up to work earlier, and leaving later, in a bid to avoid the chop.

He must play by next week or face the chop for the Challenge Cup final.

for the chop² 

get the chop

If something is for the chop, it is not going to be allowed to continue or remain. If it gets the chop, it is not allowed to continue or remain. These expressions are used in British English.

He won't say which programmes are for the chop.

Some of the steamier scenes that got the chop in America will be put back in for the Australian release.

You can say that something is threatened with the chop when it is likely that it will not be allowed to continue or remain.

Weekly broadcasts the other two (Cleveland and are now threatened with the chop.

were known to loss-making factories that deserved the chop.