o.k.! ass cleavage is defined by how deep a girls ass crack is set within her gluteous muscles. in other words if you took a ruler and stuck it in between a girls ass muscles till it stops at her crack you would have an ass cleavage measurement. how deep a womans ass crack measurement yeilds, is what is known as ass cleavage! ass cleavage is a phrase normally utilized with girls who are very athletically built!
georgia peach, luscious lopez, sophie dee, mayara rodriguez, naomi, velicity von, gianna michaels, ricki white, destiny, sophie castello, candi summers, kristi lynn (God rest her soul), shanna mccullough, are all great examples of ass cleavage! all of these athletes possess exceptional ass cleavage characteristic of deep ass cracks!