From Wiktionary, the free dictionary
frunchroom (plural frunchrooms)
- (slang, Chicago) Pronunciation spelling of front room.
1997 January 30, Mike Royko, “Words Just Escape Ya When Dealing with Chicagonics”, in Chicago Tribune[1]:Frunchroom (frunch’-room) as in, “Getottada frunchroom wit dose muddy shoes.”
2005, Tristram Hoosier, “Deer Camp”, in I'm Not Touching You![2], →ISBN, page 74:It had bedrooms, a kitchen, a frunchroom and everything. The frunchroom even had a working fireplace in it.
2020, Gerard Lafond, “Big Brother: One Last Try”, in Mom's Dead[3], →ISBN:[…] almost everybody had wandered out into what would be called the "frunchroom" in Chicagoese.