1) One who devalues other’s opinions on something by claiming they’re not entitled to the opinion because they’re not qualified, the rightful decision-maker, a part of a particular group, etc.
2) One who denies parental rights by limiting the parent’s interactions or decisions with their own child.
Maria told Jeff he wasn’t allowed to be in Spanish Club because he wasnt a native speaker.

The mother was a gatekeeper when she told her ex husband he was not allowed to take their child to Disney World because she didn’t want him driving that far with her child. “I am the mother and I make the decisions. You are not taking my child that far away from me,” she exclaimed.
by Scrodom July 7, 2018
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Someone who has the mindset that 'if you're not a fan/part of this (famous figure, a trend), you absolutely cannot join. Someone who always make things more complicated, always adds a controversy or an issue to a certain trend.

These gatekeepers are often found in the Philippines, making memes out of trends.
"Hey, avatar is now available on Facebook! Should we try it?"

"Yes, we should. But we need to take caregatekeepers are on their way to make a meme out of this trend."
by r4isins 4 breakf4st September 5, 2020
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In fighting sports, a gatekeeper is a fighter with an established record of toughness, but is not in title contention. Young prospects must fight gatekeepers to prove their mettle and worthiness to proceed into a higher level of competition and become title contenders.
Biff fought a gatekeeper in his latest bout and put on a good performance.
by B@lth@z@r June 18, 2017
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Gatekeepers stand between you and your chosen path. Or at least they think they do.

Im careers, music, brands, relationships, bigger companies.
Don't let the gatekeepers stop or control you from your path of success .

Bowser I'm Super Mario is a Gatekeeper him self.
by Strongl1fe April 27, 2017
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The Gatekeeper. Some polish (maybe russian or something idk) guy from the board game Nightmare. I am absolutely bored (pun intended) that I decided to make a defintion about this game from 1993.
The Gatekeeper: get closer. Still closer. DON'T GET NEAR ME YOU MAGGOT

by Skyrim550 April 19, 2022
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The girl who can't get a guy, usually drinks the most and is always a cock blocker. There is usually one in most groups (girls group).
One of the 'The Gatekeepers' friends are chatting with a guy, she would then cock block them in anyway possible.
by ISummonThee March 9, 2013
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