A small amount of something, mostly talked about when dealing with drug paraphernalia.
"Hey, don't drop that shrive of weed on your leg!" or "Gather all the shrives on the tabel, I want to smoke a bowl."
The action of attempting to be a part of something, such as a club or secret society, that the "shriver" ha absolutly no chance of being a part of, due to stupidity of physical abnormality. I.e. trying in vein.
Christy shrives so hard to be a model, but she weighs 450 pounds.