this term is used to describe a position during sexual intercourse. when a chick is riding you, instead of her knees on the bed, her feet is planted flat on the bed... while she's going up and down. (most commonly used by spinners, gymnists, or asian whores)
when a skinny girl has a little pot belly... whether it's from too much alcohol or eating too much. it's best seen when a girl wears a speghetti strap shirt, and you can slightly see her stomach hanging out over her pants/shorts.