An Edmonton restaurant owner found a good way to get back at McDonalds.
He had offered a fried fish burger calling it Effing Fillet O'Fish and
ended up getting a letter from lawyers for McDonalds. He could not
afford to fight McDonalds so he changed the name to McEffing Fish Fillet.
https://www.cbc.ca/news/canada/edmon...nton-1.5326542