also scrap heap
1.
If you say that someone has been thrown on the ~, you mean that they have been forced to leave their job by an uncaring employer and are unlikely to get other work.
Miners have been thrown on the ~ with no prospects.
N-SING: usu prep the N
2.
If things such as machines or weapons are thrown on the ~, they are thrown away because they are no longer needed.
Thousands of Europe’s tanks and guns are going to the scrap heap.
N-SING: usu prep the N