It would not do your reputation any credit if word was to circulate that you reneged on a wager duly offered and accepted.
9 seconds sound clip from the The Cat from Outer Space (1978) movie soundboard.
You can hear this line at 01:07:30.722 in the Blu-ray version of the movie.
Quote context
[...]
- You're on. $60 at 2000 to 1.
- Wait a minute. Wait a minute! Are you seriously serious?
- You're not thinking of welching, are you?
- But I thought you was putting me on.
- But boss, that's a hundred and twenty...
- Get it!
- All right. Let me understand this. Slim gets 12 balls and the break?
- She'll never get to the table.
[...]