The noise that is made when a penis is being deep throated.
Male - "Oh yeah, suck on this purple mushroom tip"

Female - "Guck, guck, guck, guck, guck"
by Gucking May 20, 2014
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First of all 'Guck' does not mean to "fuck your mom" or whatever they put. It means dirty ok DIRTY
Damn these shoes are guck
by Yeeeeaaaaahhhgh June 30, 2014
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guck (n) / Goo that provokes one to express the word "yuck" when come to contact with it.
Anyone : "Eww, I just stepped in some guck. Yuck!"
by tarealist September 17, 2013
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The fatty layer that protrudes between a man's lower abdomen and upper genital area. This abnormal physical trait is usually found in obese men, regardless of age or race.

The male derivative of the word Gunt.

Short form for cock-gut.

Gut + Cock = Guck.

Also known as a Gick.
Most fat guy's cocks look smaller because they have a guck.

I can't properly measure my cock because my guck is in the way.

Luciano Pavarotti and B.B. King have big gucks.
by Chib Chakan September 16, 2005
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1. I’m tryna dydtycaomf.

2. You are the coolest and sexiest person I know.
1. Hey liam, Guck.
2. Just letting you know, Guck.
by Youalreadyknow69420 July 22, 2020
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Word used instead of fuck
I want to guck you tonight, guck I dropped my phone, for gucks sake
by 123gsj October 26, 2019
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