Nico Plotkin, the biggest boomer o this planet
Andrew: Hey look at that dirty boomer over there.
Michael: Oh, you mean Nico, yeah he's such a boomer!
by duqq October 17, 2019
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A boomer is an old sack who is racist, wants to speak to the manager, and loves complaining about everything and anything.
Chris: You know what? I would like to speak to your manager. This is RIDICULOUS! Ten minutes on TWO COFFEES?

Innocent barista in a busy coffee shop: I'm so sorry sir i-

Chris: No. No, no, no, no. Please, get me your manager.

Ryan: Typical boomer.
by Nancyyyyyyyy October 5, 2019
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Another name for a person called Gwilym.

The Gwilym Boomer sometimes referred to as the Gwilboom is an especially childish boomer that denies that he is a boomer
Oh youre such a Boomer
by Youreaboomer November 9, 2019
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Someone usually above the age of 60-65, would be considered a boomer. Blown up by TikTok, boomer can be used when an elderly person says something against a younger generation.
Elderly person: You young people can’t live without your mobile phones and stupid technology!
Modern Generation: oK bOoMeR
by Shah5ive November 12, 2019
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When something is extremely cool, or surprisingly pleasing.
That was a boomer move bro!
by your garage door October 22, 2019
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Despite the common misconception that the word "boomer" refers to either the generation born after the end of World War Two or a person who hold outdated or antiquated ideas, a boomer actually refers to anyone that I disagree with. It is highly derogatory and anyone who is called a boomer should feel deeply shamed about what they have done to derserve the title.
Boomer: "Actually I really just don't think that cannibalism would solve more problems than it creates."
Me: "Okay, BOOMER."
by OneAnonymousPseudonym June 23, 2020
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