A fork of Rural Dictionary
Verb: to penetrate anally. "Sacrum" is the hip bone. "Sacrum" also means "holy." Hence, to "profane the sacrum" is to render something holy unholy.
The priest rendered profane the sacrum of the little altar boy. Afghans and Arabs, in their full Islamic glory, are known to profane the sacrums of little boys they abduct.
bottom guy (or girl) lies prone, and top/dom girl, who usually masturbates by humping pillows, rides spinous tubercles of lower back. gives guy feeling of being ridden and being a bottom bitch.
-do you miss eda? -yeah man she was crazy but is an excellent at sacrum humping.