a "slur" against baby boomers.
People are against as it is "ageist" and they say it is the n-word of ageism.
"Boomer is a slur!"
"ok, boomer"
by https.lynxx November 14, 2019
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Boomers are people from older generations that don't give a fuck about what we do nowaday and make you repeat THEIR childhood or whatever. They also don't know our language very well for example, they have no idea of the concept of slang. Long story short: Adults and older people don't know what we do and don't understand what we normally do in our daily lives.
Kid: *grinding on fortnite and minecraft bedwars simultaneously*
Parent: Wtf are you doing you lazy cunt? Is this all you do? Just sit there and stare at a screen for the entire day?
Kid: Fuck of you retarded bastard. I'm busy right now.
Parent: You should do somthing like go outside and make some friends. You know back in my days...
Kid: I don't give a fuck what you did back in ur days. You fucking boomer.
Parent: What did you call me? A boomer? What's a boomer?
Kid: *face slap* Oh my god... You know what, I'll go outside and stay outside.
*contemplates life and hangs himself using a random cable on the floor he happened to find when walking to the nearest orphanage in town*
by A-A 1 January 08, 2021
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It means OLD... It's a generation that's called the " Baby Boomers" but in slang if you say boomer it means old. So basically if you call someone/something a boomer then you are calling them old or calling the thing old.
Bob: My favorite artist is Elvis!!
John: Man {WTF} THAT DUDE IS A BOOMER!!
by the dictonary BITCH November 13, 2019
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A cold front from the north will draw in warm moisture from the south potentially producing some big boomers this afternoon.
by Consultant22 May 22, 2018
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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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An act in which a person grabs the sides of a metal folding chair tightly, pulling the ass as close to the seat as possible, and then farts as forcefully as possible.

The boomer reverberates loudly in all directions and resonates through the chair.
Tom: "Holy crap! Did you hear that?"
John: "Yeah, what was that, a gunshot?"
Tom: "Naw, Vinnie just did a boomer!"
by ctenah April 05, 2009
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