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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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May 8 Word of the Day
1. Slight sins or offenses
2. Petty crimes or small infractions
3. Las Vegas Punk Rock!
Peccadilloes shows rule.
by James Messina August 11, 2006
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When you do a typo. For exemple, when you want to write fuck but you do a typo and write guck. Because of this typo (that I make regularely) you call any typo a guck.
(chatting on MSN)

person 1: sorry... but i cant make it to your party

person 2: (very frustrated) what the guck!!!!!!!!

person 1: guck?????

person 2: fuck* sry bout that

person 1: dnt worry bout it bud i guck a lot 2

person 1: dont* lol
by kicknickinthenet November 19, 2007
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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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to post nude pictures of your ex girlfriend on their own website.
The guys from Urban Dictionary need to guck Sharon Turner.
by bread infection December 04, 2009
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