- Did you ever hear of the DeLuxe French Cleaners on Wabash Avenue?
- Why?
- Because the day after the shooting, you sent in a pair of spats. They had blood on 'em.

9 seconds sound clip from the Some Like It Hot movie soundboard.

You can hear this line at 01:37:05 in the DVD version of the movie.

Quote context

[...]

- Oh, I heard you opera lovers were havin' a little rally, so I thought I'd better be around in case anybody decided to sing.

- Big joke.

- Say, maestro, where were you at three o'clock on Saint Valentine's Day?

- Me? I was at Rigoletto.

- What's his first name? Where's he live?

- That's an opera, you ignoramus.

- Where did they play it, in a garage on Clark Street?

- Clark Street? Never heard of it.

- Did you ever hear of the DeLuxe French Cleaners on Wabash Avenue?

- Why?

- Because the day after the shooting, you sent in a pair of spats. They had blood on 'em.

- I cut myself while shaving.

- You shave with spats on?

- I sleep with my spats on.

- Why don't you stop kiddin'? You did that vulcanizing job on Toothpick Charlie, and we know it.

- You and who else?

- Me and those two witnesses your lawyers have been lookin' for all over Chicago.

[...]