The art of drinking 2 pints of Guiness before you start a drinking session, and a further 2 pints of Guiness after - Resulting in the most spectacular toilet show the morning after.
"I'll give you £10 if you do a Guiness Sandwich tonight and mess up your Grandmother's toilet in the morning"
by JayxMagyar January 7, 2010
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The most commonly stolen book from public libraries.

Also a widely renown source of the biggest, most expensive and most weird things on the planet. A throughouhly interesting read.
Person 1: "Hey man, check out what I just scored from the library!"
Person 2: "Dude, it's just the Guiness Book of Records. Save yourself the late fees and go buy it for $10"
by Rock DJ June 19, 2005
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A 50/50 mix of energy drink and Guinesss Stout.
Ryad can't get out of bed until he's had a Go go Guiness in the morning.
by The Mads November 25, 2020
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The Irish equivalent of money. Barter in exchange for Guiness, AKA money paid at a Bar
Jim, I got my 300 Guiness Vouchers bonus last week
by davewebsmith November 1, 2010
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Suddenly waking up with the a strong desire for the toilet and the turtles head emerging uncontrolably - brought on as a result of consuming large quantities of the black stuff in the preceding hours
'I had a 'Guiness alarm clock' going off at seven thirty and now I'm off to the fucking launderette!!!'
by I Seymour April 25, 2009
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A fart produced after the consumption of much Guiness that is so foul and lethal to the nose that the drinking of Guiness may be prohibited by friends and loved ones.
"Fucking hell Ant, even you look disgusted by that one, no more Guiness for you. Guiness fart? Did you shit yourself?"
by Ehwhy August 11, 2020
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