An action which was quite widespread in New York and possibly in other locations during the early 1990's. When someone would say something incorrect or stupid, any party who witnessed this could proclaim "Gill!", and then proceed to rub the back of the offender's neck with their hand, causing minor irritation to a red mark, depending on the severity of the given gill. One could also proclaim "Save mine", which would allow the person to administer the gill to the offender at a later point in time. It should be noted, however, that if the person committing the slip-up takes notice of their folly before anyone calls a gill on them, they can say "pause" and then could not be subjected to a gill. If someone calls gill after the initial speaker says pause, it's a gill on them. Giving gills is great but getting them isn't.
Person 1: "Yo, Iverson dropped 50 on the Sonics last nite...pause...he dropped 43."

Person 2: "Gill"

Person 1: "Chill, I already said pause. Save mine."

Person 2: "Damn."
by fdlkjdlkf October 10, 2007
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a dick head who steals your diamonds in Minecraft
'gilles you're such a cunt'
by gilles is aonce n May 5, 2019
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"Gill" as in "giving a gill" A term used around the late 80s-early 90s, possibly regional, by children as a proclamation that someone/a friend just said something incredibly stupid or incorrect, AND that they deserve to be humiliated. It was shouted as he/she simultaneously burns the back of the other person's neck with a fast horizontal rub of the hand. Similar in nature to an Indian burn.
Person 1: Yeah, well your mother is your father. (I'm paraphrasing.)
Person 2: Not funny. You deserve a gill for that. Gill!
Person 1: Ow. What the hell?
Person 3: You're 17 and still giving people gills?
Person 2: Oh, wow. I haven't remembered a gill in a long time. Hah.
by Ninnernet April 13, 2005
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Like the term 'killing it' but ten times worse.

To achieve this requires failing in the worst way possible.
- So did you chat that girl up?
- Yeah I asked her if she was into tentacle rape porn
- Dude, you totally gilled it.
- Yeah I'm gilling it
by AJTA March 10, 2009
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The phrase a ‘Gill’ is referred to someone who may agree to a bet, wager, competition etc. where the loser has to participate in a forfeit, but then upon losing, they refuse to comply for no reason, backing out of the original agreement. If a person does this on a regular occasion or has even done this more than once, the may be called a ‘Gilla’ or a ‘Gilly’. Don’t ever make a bet with a ‘Gill’.

A ‘Gill’ may well make a prior agreement, shake hands and agree the stakes, participate in the event/competition, but because they can’t take loosing and/or are not someone of their word they just refuse to undertake the agreed forfeit without any logical explanation.

For example:

Ryan and a group of friends are playing crazy golf, to make the game more interesting they agree that the looser of the game will have to do a forfeit. They shake hands, agree and play the game. Ryan then loses but for some reason, refuses to do the forfeit. Just repeating no, no, no I’m not doing it and walking away, after throwing a sulk because he lost.

“Ryan you lost crazy golf fair and square, don’t tell me you’re going to be a Gill and not do the forfeit, what’s wrong with you?”

Ryan in this incident is a massive Gill, a compete wet blanket and basically a wanker. He may also come up with a number of ridiculous excuses as to why he can’t or shouldn’t complete the agreed forfeit. Never make a bet with Ryan, he will just spoil the fun for everyone. What a complete and utter Gill.
You lost the best fair and square, why are you being a complete Gill?

A bet is a bet, if you lose you pay or do the forfeit. Don't be such a Gill.
by Mandate2017 March 14, 2017
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Your one coworker who's always late, usually by several hours, but somehow never gets fired.
It's fucking 3 now, I was supposed to get off at 10 but it's Gill who was supposed to come in and take over.

When she does come in I should key her car, "10 PM"
by collymclolly May 19, 2021
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Gilling is the act of inserting a raw small to mid sized fish into a vagina or anus with the mouth facing outwards, and having a penis penetrate the mouth for the purposes of intercourse. Often done in an attempt to increase tightness and odour quality.

If there is ejaculate remaining in the fish it is optional to use it in a fish based dish afterwards, like a chowder or stock.
Boy I sure did enjoy gilling the Thompsons daughter the other week.
by droidroi December 27, 2018
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