The cup which Jesus supposedly drank from at the last supper. Monty Python was once sent on a quest to find and retrieve it. They never completed this quest.

BRIDGEKEEPER: Stop! Who would cross the Bridge of Death must answer me these questions three, ere the other side he see.
LAUNCELOT: Ask me the questions, bridgekeeper. I am not afraid.
BRIDGEKEEPER: What is your name?
LAUNCELOT: My name is Sir Launcelot of Camelot.
BRIDGEKEEPER: What is your quest?
LAUNCELOT: To seek the Holy Grail.
BRIDGEKEEPER: What is your favorite color?
LAUNCELOT: Blue.
BRIDGEKEEPER: Right. Off you go.
LAUNCELOT: Oh, thank you. Thank you very much.

Holy Grail by Keegster April 24, 2003

holy grail

The ultimate goal of an occupation, profession, or endeavour.

A cure for AIDS is the holy grail of a number of scientists.

holy grail by Darth Ridley December 27, 2006

Holy Grail

the completion of the following sex acts during one day between a committed couple:
handjob/fingering
anal sex
oral sex
intercourse

its purpose to promote wholesomeness through varied expressions of intimacy between two persons

Gabrielle: wanna Holy Grail this weekend?
Mark: oh yes, that sounds wonderful. we do have some weekend plans, though.
Gabrielle: yeah, true, we'll have to work those plans around Holy Grailing.
Mark: we always do!

Holy Grail by a. fort December 2, 2011

Holy Grail

A Version of the Slovakian Traffic Cone (STC) in which before the mixture is “pooped” the person with the laxatives (the “vessel” in this specific case) is blessed by a priest, bishop, archbishop, cardinal, pope, pastor, monk, nun, or deacon.

“I need a priest to do a Holy Grail.”

Holy Grail by Musty Musk Man November 22, 2022

Holy Grail

A cup. That's it, it's just a cup.

Holy crap! It's just a cup!

Holy Grail by Orgle August 28, 2005