What is the meaning of the idiom 'when push comes to shove'?

Answer 1

if you say that something can be done if push comes to shove, you mean that it can be done if the situation becomes so bad that you have to do it.

Example:

Look, if push comes to shove we'll just have to sell the car.

Answer 2

The expression is "when push comes to shove." It means when matters need to be ultimately confronted or resolved. The issue needs to be faced and dealt with firmly.