The aforementioned sentence is written in the original English subtitle.
I copied and pasted the lines from the srt file.
I also double checked the audio, and I'm pretty sure he says "I'll bring it the smiling sandman". Maybe it's related to some music group of the fifties, maybe it's the name of a comic or movie cha
The sandman is the man that brings sleep, or at least that's what children are told. It has to do with the fact that you sometimes wake up with 'sand in your eyes'.
Here's a popular song that was probably known at the time of the movie:
Mr. Sandman, bring me a dream (Bung, bung, bung, bung) Make him the cutest that I've ever seen (Bung, bung, bung, bung) Give him
Thanks, CalifJim, but I doubt that in this case the song "Mr Sandman" (we also know it here in Spain) has anything to do with the strange sentence, because The Chordettes composed it in 1954, and the movie was released in 1951, 4 years before they invented the aforementioned song.
I googled the web and found this information in wikipedia: