Guineasis 

Half guinea pig, half Pegasus. A guinea pig the size of a horse, with wings

That’s a magnificent Guineasis I see

Guineasis by LitMan22 January 18, 2018

guiness book of records 

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"

guiness book of records by Rock DJ June 27, 2005

Guiness 

Common misspelling of Guinness

dude, I can't even spell guiness

Guiness by Guinness2702 June 24, 2005

Guineasaurus Rex

A guineasaurus rex is an off the boat italian american, or a guido. They usually have sex promiscuously with multiple partners in college. They enjoy saying things like "fucking skanks" and "Jaeger Bombs!" while pointing around the room.

Mike is a huge guineasaurus rex, no matter what you say.

Guineasaurus Rex by Cal Hacker March 3, 2009

Go go Guiness 

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.

Go go Guiness by The Mads November 24, 2020

Alec Guiness 

Brilliant british actor, best remembered for playing the original Obi Wan in Star Wars

"hey look, isn't that Alec Guiness getting on the Millenium Falcon?"

Alec Guiness by Dingus Pete February 7, 2010

Guinnass 

Guinnass is a condition that strikes those that consumed large quantities of Guinness the night before. It is marked by deadly flatulence and frequent trips to the bathroom.

Man, I have a mean case of Guinnass this morning!!

Guinnass by somedumbdude July 14, 2011