I made my bones when you were going out with cheerleaders.
5 seconds sound clip from the The Godfather (1972) movie soundboard.
You can hear this line at 02:25:12 in the Blu-ray version of the movie.
Quote context
[...]
- He was banging cocktail waitresses two at a time!
- Players couldn't get a drink at the table.
- I leave for New York tomorrow. Think about a price.
- Son of a bitch. Do you know who I am? I'm Moe Greene.
- I made my bones when you were going out with cheerleaders.
- Wait a minute, Moe. Moe, I got an idea.
- Tom, you're the consigliere. Now, you can talk to the Don. You can explain...
- Mike! You don't come to Las Vegas and talk to a man like Moe Greene like that!
[...]