Gilby is quite simply put, a fucking alcoholic, You know Gilby is drunk when he is seen staring off into space, laughing at nothing.
"look at him laughing at nothing"

"Yeah, what a fucking gilby"
by K-Dawg April 13, 2004
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Gilby parties alot. Meets a lot of new people but both won't remember eachother. Gilby has a huge dick but keeps it on the downlow for people he gets close to
Woman 1: Who was that one guy at the party last night?¿?

Woman 2: ahh I think his name was Gilby

Woman 1: his dick was huge, get me his number next time you see him
by DaniGrey June 20, 2019
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Gilby is the term used for someone with a huge fucking dick. The name means 'pledge' in old lingo which obviously is referring to his dick.
Oh look at Gilby, i heard his dick is huge
by DaniGrey June 20, 2019
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A guy who works in a booth. No 74 Victoria pass.
Hey Travis.. that guy has no access. And hes a raging alcoholic Gilby
by DavesDad October 11, 2021
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Gilby - A gilby is an action of someone who is inexperienced with chew tobacco. It is defined as one who has a dip in for less that 10-20 minutes, and then takes it out in shame.
A: Hey McFlannery! you're not thinking about taking that dip out are you??

B: Oy I am, I feel a wee bit nausea coming about!

A: Really?! about to Gilby that shit…unreal!
by IIIXIII313 May 30, 2011
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1. The one word that can mean anything you want it to be.
2. A record label bringing music to the PA scene.
3. Originally meaning awesome
1. ex. Man, that beyotch was MAD gilbis!
ex. Man....I'm kinda mad, did you know that beyotch was a gilbis?

2. www.gilbisrecords.com
by Dilan Swain January 14, 2007
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a very kind and cool person who then decides to be a high school choir teacher
our choir director is a definite gilby
by monkeybrains November 18, 2021
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