[mabub24]

You might be thinking of Bon Cop Bad Cop which is all about the differences between Franco-Ontarian and Quebecois French, or Standard French versus Quebecois. Where I live I hear a ton of Quebecois but even with knowing B2 level French I find the accent very hard to parse out.

Here's a funny scene from the movie on Quebecois swearing:

https://www.youtube.com/watch?v=KUGW0jszPzo

[gwbas1c]

No, it was an American movie, not a Canadian movie. The french speech wasn't subtitled, because the audience supposed to be confused.