Put one's money where one's mouth is 💰🗣️➡️🏃♂️
Meaning
To back up one's words or claims with action, often involving financial commitment.
Origin
This idiom likely emerged in the early 20th century, possibly stemming from the world of gambling or business. Imagine a poker game where someone is boasting about their hand but hesitating to bet. To 'put your money where your mouth is' means to actually place a bet, demonstrating you believe in what you're saying. It’s a straightforward metaphor: if your words are strong, your wager should be too, proving you’re not just talking but are willing to risk something tangible on your convictions.