Slang expression used to refer to a woman who is involved in a relationship with a man based solely on the perceive financial benefits of the man. Women of this nature tend to spend her partners money on lavish items such as name brand clothing, fancy jewelry and eating only the most expensive foods.
This woman is loyal only to the deepest pockets so once her current partner goes broke she'll go for another man that is rich or just plain financially stable.
Patois: Melvin a eediat; him haffi buy him shine gyal new jewelry every week
English: Melvin is an idiot; he has to buy his gold digger new jewelry every week