1. The appearance of of a girl's tit's based both on their intrinsic value and how well she is presenting them.

2. The shape of a girl's tits based on her posture.

Usage: girls who always arch there back to make their tits look bigger, or conversely, girls that slouch a lot and therefore cause one to underestimate there boobs.

3. The "posture" of a girl's boobs. ex: perkyness

3. The appearance of

When you eat dirt for the first time and leave your family to build a shack in the woods