The furry goblet is another name for the vagina or front bottom or even cunt. It would normally be used in the context of someone who drinks from the furry goblet, normally a lesbian.
Tonight darling, I would like to drink from your furry goblet. OR I bet she drinks from the furry goblet!
After vigorous anal penetration. The recipient holds open the butt hole with as many fingers as possible and and wide as possible and lets the other party fill the anus with urine. It is optional for the peeing party to then drink from the dirty goblet.
Girl, it’s gonna get freaky tonight. I’m gonna drink from your dirty goblet.
A maneuver in which one makes a firm fist and proceeds to jam it into a person's anus. Used mainly in idle threats and should rarely, if ever, be performed on any living being.