The action of performing anal sex in order to
preserve ones vaginal
purity. Most extreme religious couples practice this before marriage, although in almost all religious publications this is looked up as a worse
offense.
In the case of homosexual relations, this is the only way for a men to perform intercourse with each other.
"Have you
heard that Tom and Bill have a dry-erase board in their bed room?"
"No, whats it for?"
"I have heard that is used to keep score of who has had the most orgasms while they are
saddlebacking each other. I also heard that they participate in the
convergence practice after they finish."