putting your money where your mouth is- putting your money where your mouth means that show your actions instead of just speaking about it. And it is the Ways of encouraging or telling someone to do something: I wish, go for it, don’t hesitate to do something. you want them to spend money to improve a bad situation, instead of just talking about improving it. When you say this statement you want someone to perform the actions instead of just speaking about it. And the statement is true because you cannot do or achieve anything by just saying about it, the actions performed by you is also important.
Before this expression existed, there were several others that were similar. These included put your money where your faith is and put your money where your heart is. The idea behind these is similar. If you care about something, you should support it with money or other actions.
EXAMPLE 1 – Daughter: That company is evil because they cause so much pollution.
Mother: You cause a lot of pollution yourself. You drive all the time rather than taking your bike or riding the bus. You also claim to agree with all these environmental groups.
Daughter: What are you saying?
Mother: I think you should put your money where your mouth is. If you want to support them, you should make some monetary donations to those environmental groups, or at least volunteer for them.
EXAMPLE 2- It is a challenge to someone to back up what they are claiming with concrete action. Does it refer to a betting situation, where, for example, someone is saying their team is better than your team, and you are saying, “You think your team is better? Do you believe that enough to make a bet on it?” It also is used in non-betting situations; in that case, it just means backing up your statements with some kind of concrete action that indicates that you really believe it.
EXAMPLE 3- Nisha: Let’s use this class time to gather more e-way bill data from relevant research papers.
Alan: Oh, you want to work on this now? It’s so easy I don’t see any need to start this early.
Nisha: If it’s so easy, then why not just get it over with? You keep claiming this project will be simple, but so far you haven’t finished a single part of it. Why don’t you put your money where your mouth is?
Alan: What do you mean?
Nisha: Finish this task in the next hour. If it’s really as easy as you say, you should have no problem. If you can do it, I’ll give you 20 bucks. If you can’t, you’ll admit to the teacher that you’ve done no work on this group project so far.
To do, live up to, or follow through on something one talks about, threatens, or promises, especially but not always when it involves spending money. Fans who have been demanding a sequel for the last decade had better put their money where their mouth is and go buy a ticket! He promised to lower taxes if he got elected. Now let’s see if he’ll put his money where his mouth is
Origin of putting your money where your mouth comes from America which is happened first time in the 1930s and 1940s. And the idea or the reason behind this is it is very easy to talk about something rather than doing that. So this statement is for those who speak more rather than showing their actions. Therefore, if a person keeps talking about something he or she thinks is true, but does nothing to support it, someone might use this idiom on him or her.