What you become after you change the suffix -teen in your age. These guys start populating Facebook with Smiling emojis and memes from 2008. They even joined Reddit and started to ask people on r/BlowJobs about their ages. TikTok is full of these making videos with little girls and saying things like "if you will learn at school, you will become like me" and he is a fat, old Police officer.
Ex. 1:Stop spamming these emojis. Stop beeing a Boomer
Ex. 2: What is this meme? Ok, Boomer
by DankWarrior703 March 21, 2020
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Boomer is a word used in every situation regardless whether it fits its definition or the context of the sentence
Mark: Hi
Adam: Ok Boomer

Alice: Dude, can you get the cheetos from the cabinet?
Big Shaq: Ok Boomer
by AkinsoftIsUnfunnyChangeMyMind December 4, 2019
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Boomer is anyone who's older than you and is either complaining about younger generation, saying he hates his wife, or just believes in outdated beliefs about any subject. It can also be someone who doesn't know modern slang very well, or uses it in a "non-cool" way (not in a way that zoomer would use it)
Boomer: man my don't you just hate your wife
Zoomer: ok boomer
by BigPPbarni June 19, 2020
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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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A boomer is someone who was born between the years 1946 – 1964
by Daddy 2 Shoes July 17, 2019
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A homosexual male. This word is used by a heterosexual male to notify his friends of a homosexual without being suspicious.
by LGUNNER October 29, 2009
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an overweight, tag along friend that ruins things for the guy trying to get with the girl (the hot girl who is the boomer's friend).
HOLY SHIT GIGI IS SUCH A FUCKING BOOMER. IM TRYING TO GET WITH SARAH, BUT HER FAT, BOOMER FRIEND GIGI IS ALWAYS AROUND
by timhunter5 September 24, 2009
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