Definition

Someone who's sexually adventurous and promiscuous but somehow maintains genuine respect and social status through sheer personality and authenticity. They've transcended the 'slut' label because people actually like and respect them as a person.

Example Usage

Everyone knows Sarah's been with half the school, but she's so genuine and cool that nobody judges; she's a total slub.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=slub&defid=3742979)