one below 

1. When an ass of a woman is one level below its normal position arranged by God.
2. Usually from over sex, a woman's ass sags down one level below the normal alignment from its normal position.

Man 1: Whoa! look at her ass, it's big but it's one below!
Man 2: Yeah, it sucks be like her.

one below by josérizal March 9, 2010