1. A woman who associates with or marries a man chiefly for material gain.
2. You know, a gold digger. Informally.
"You can't marry her dude she's a fourty niner and you know it."
<U>Adverb part of speech</U>
"So that bastards nailin' Darcy full time then... that bitch."
"Yeah that fourty-ninin' slut! She's way too hot for Todd fucking Stevens, millionaire. How long will he last when Darcy meets the attractive version?"