Literally anyone that is older than you.
Individual 1: Did you hear that John got a job?
Individual 2: God he's such a boomer.
Individual 1: Dude he's only a year older than you...
by TheLomster June 14, 2019
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Contrary to popular belief a boomer is not necessarily a baby boomer, a boomer is person stuck a state of mind in which they believe they are superior to other generations just because they are older.
Gen X Parent: Gen Z are entitled and selfish.
Me: ok, boomer
by I’m pretty lonely ngl November 24, 2019
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The creepy old guy who watches you through the curtains. His catchphrase is GET OF MY LAWN
Me: do you think he's a boomer
Boomer *yelling*: GET OF MY LAWN
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Someone older who doesn’t know how the younger generation works and it’s okay with change
I asked my mom if I could go to this party but she said no, what a boomer
by That dude who likes Bill Joe November 23, 2019
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Usually your parents but someone who hates Millenials and say things like disgraceful. Heres a quick tip to limit boomer's lifespan -5 years . when they talk to you about how wronged they have been by their phone provider over 37 dollars turn on the tv and wait just a little bit too long to respond possibly with "I don't think so" and when they ask why say "ah just because" with no actual serious argument
"some boomer got pissed at me because I left the bathmat on the floor at it was too soggy. I just waited for yelling at me to bore them and I said fuck off."
by imakesandwiches7 October 5, 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 23, 2018
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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 14, 2019
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