I think what he's trying to tell you is you black boys pack too much meat.
6 seconds sound clip from the Jaws (1975) movie soundboard.
You can hear this line at 01:24:08 in the Blu-ray version of the movie.
Quote context
[...]
- Something wrong there, chief?
- She says no boom-boom with soul brother.
- She says soul brother too beaucoup, too beaucoup.
- I think what he's trying to tell you is you black boys pack too much meat.
- Oh, shit. This baby-san looks like she could suck the chrome off a trailer hitch.
- She say too beaucoup, too beaucoup.
[...]