(adj.) A person who appears to work in a chimney because of the dirt that accumulates on their body; a person can also be considered chim based on how they carry themselves and the way they behave in public.
(pronoun) An honorary title used for certain ratchet best friends.
Girl 1: Did you see her making out with that boy in the frat basement?
Girl 2: Yeah, that was hella chim.
Girl 1: Ew my feet are stained form my black ugg slippers.
Girl 2: Omg you look like you work in a chimney... a chimnist if you will.
Girl 3: HAHA! I'm calling you chim from now on.