What is frites-sauce?

A lower class type of gravy. Used mostly in the lower areas of Quebec. Used often on fries to improve their taste.

Bein, Est-ce que je peux avoir du firtes-sauce, estie-tabarnaque? Translation: Can I have some frites-sauce please, french obsanities.

frites-sauce - meme gif

Created by poor french ppl from Lachine who cant afford cheese on their poutine.

Jean Guy had to buy frites sauce cuz hes a fucking pepper.

Also called mayonaise or Mayo for short. A highly fat/egg based sause. Used on Burgers and fries in Holland (as well as other countries)

"pass me some frites sause please"
"Yes, i want mayo on my burger, please"