Long-term girlfriend. In White Trash culture, fiancée no longer means "the woman I will marry on a specific date" but instead is simply a level of relationship status above that of "girlfriend."
A couple in a fiance-fiancée relationship may live together for 20 years, have children together, but they will never actually marry.
A tornado wrecked Jim Bob's trailer park and killed his fiancée of 18 years. She is survived by their six children and three grandchildren.
French for "Imma marry dat bitch". Often used to extract insincere congratulations from a stranger. Also used when fishing for preferentialtreatment in dining establishments.
"Hi, welcome to Gordo's Chophouse. Just 2 for dinner tonight?"
"Yep."
"You're in luck. We just opened a table right over there."
"Actually my *fiancée* was hoping that we could get a table on the terrace."
"Oh congratulations! Give me a minute I'll see what I can do for you two."
A word or French origin that is defined as "a woman engaged to be married." When couples cohabit with no plan to marry the term they often use when referring to their significant other is "partner".
The definition for Fiancée as used by the majority of English speakers is for someone who plans to marry their partner or boyfriend/girlfriend, the group of speakers who use this as a "White Trash" term for people who cohabit long term are in the minority.