A female heroine addict, especially one that shows years of drug abuse in her appearance and behavior. She is missing many teeth, and the ones left are rotten as all hell. See also Crankwitch and Crackwitch.
Fucking smackwitch whore squatted and pissed right next to the minivan, with me and the kids sitting right there! Welcome to San Francisco kids.
by Jim Inman August 20, 2006