Slang commonly used in adjective form for the black gums a nigger develops from constant consumption of hot climate indigenous foods, also starched or sugary sweets. Sweetgum diet includes watermelon, grapefruit, kool-aid , ham bacon egg sugar jelly applesauce syrup and any other combination of low budget sandwich, gas station and dollar store checkout snacks, honey buns, lil debbie and hostess related products.
Eric: hey bro, look over there at that dark Precious lookin broad over there swallowing twinkies whole!
Ryan: Oh my god, I saw it! It disappeared!
Eric: yea man, that sweetgum appetite must have got to her early in life...