The act of having a girlfriend/wife collect her period blood in a jar for a large amount of time, 6 months, 1 year, or even from first period to menopause. Once she is satisfied with her collection, the boyfriend/husband will squat the whole jar into his asshole, then wait until it breaks.
A pane of glass made using smaller pieces of different colored glass, sometimes worked in a complex design.
Each piece of glass being held together by a lead framework, welded by hand.