Term used to describe A conceited,Egotistical person who may feel that the're better than everyone and everything around them. It's almost like "beating you chest" as if you're superior.
The "top-off" or "refresher" to a glass of wine. When the white or red liquid falls too far below the 6oz standard, remember to continue indulging with a chestnut topper.
An Urban Chestnut is what you leave on a hookers blouse (or any city dweller) when she blows you off in a St. Louis alley. Also, a St. Louis craft brewery which you may have visited before buying the BJ and depositing the Urban Chestnut.