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
Sure it looks like a great rack, but it is 80% tosture.