The Holy Grail is a term used by porn stars, can be used as a noun, verb and/or adjective, and is basically when a female porn star takes a cock in her arse, a cock in her vagina and a cock in her mouth, all whilst simultanously giving two handjobs.

In my experience, The Holy Grail is a trick best left for the pros.
"Have you seen 'Bangin from behind 25' yet? It's the one where Rachel Lurid achieves the Holy Grail!"
by Courtney April 06, 2005
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The Holy Grail is when you take the scrotum and pull it down in a pocket making it into a cup. Then filling it with a liquid and drinking from it.
Dude1: Dude My girlfriend did The Holy Grail. She drank strawberry milk from my nut sack.
Dude 2: Man I wish my girlfriend would do that. But shes lactose intollerant.
by Magic Monkey and CKerrLA July 07, 2012
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A very threatening cup holding a can of 'peer' held by very buzzing people spilt in to a chavs hat.
'hahahahhahahahaha remember on new years when we spilt the holy grail in to - insert secret identity here - 's hat.'
'OMG was he okay with that!?!?'
'huh?'
'well.. chavs are very protective of their hats... wow he really must have wanted to shag one of you..'
by anemiaaimena March 27, 2010
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Something that you love and its your favorite thing. Or life Savior
This eye liner is like my holy grail .
by Coraline vela July 26, 2016
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This is when something is everything you've always wanted and you wont stop looking for it.
by weelaurabee September 19, 2018
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Holy Grail

Experience will tell you a small box is best. Some call it tight pussy but small box is what it is. Lot of people say Asian women have it - possibly, but and I mean a big butt here, white women can have one too 蓮花 and it's the holy grail.
Me: What are you searching for Dude?

Alter ego: The Holy grail.
by McKenna from the Hall April 14, 2020
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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.
by Keegster April 24, 2003
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