The mutual borrowing between both languages is really amusing when visiting Montreal.

I sat down in a restaurant in the historic part of the city, and the menu was loaded with "apostrophe s" and "le Hamburger". I then looked at my server and said, in plain English, "My high school French teacher used to make fun of this as 'franglais'".

The server then laughed and told me, "oh, we mix English into French here all the time and don't care."

The next day I walked by a youth American football league in a city park.

Even my mother's household, which was Quebec-French speaking in the US, would say "poe-tat" instead of "pomme de terre." ("Potato" with a French accent instead of the literal "apple of the earth" word that I learned in school.)