Red Haired Bitch Share definition Flag Noun; Slang for Wendy's restaraunts. Dave Thomas's neice. Steve: let's hit the Red Haired Bitch. Ron: Ok they have a pretty good dollar menu! Red Haired Bitch by suckmycharlesdickens February 12, 2009 0 0 Get merch Get the Red Haired Bitch mug. Buy Now — $32.95 See more merch