Used often by people of a british isles origin, this term is a variant of the name Nancy, a similar insult for a feminine or weak male.
Female: I know he's a Yancy but hes so hot i have to fuck him too.
1. to finish the food off someone else's plate
2. to eat a large amount of food (e.g. a cake) in a short period of time.
1. a fatass; one who prefers brownies to celery.
(adj) 1. pertaining to or being characteristic of a fatass; used in conjunction with the word "so" (that's so ~, she's so ~, etc.)