Definitions by Phara0hTut

Rear Boob 

The "rear boob" or back boob. When a woman's breasts are large enough to be seen when looking at her from behind. Similar to sideboob. Typically only present in large chested women.

Holly Peers in Front Army had a nice rear boob!

Rear Boob by Phara0hTut November 28, 2011