A slang term for Baby Boomer, often used in a derogatory manner.
I hate boomers, all they do is complain about young people and pretend like it's not their fault the planet is dying!
by Catatcat March 22, 2019
Grumpy old people.

Born from 1946-1964.
That boomer needs to stop complaining about younger generations.
by Big D you know me November 18, 2019
A boomer is a person over the age of 55. It is usually associated with tik tok/Facebook memes of people using the phrase ‘ok boomer’ it is used to make fun of or sarcastically target the older generation.
Old person: ‘kids are always on technology these days, they don’t know what is going on in the world, they are destroying it’

Child: Ok boomer!
by Definition_Dealer November 1, 2019
The Noun "Boomer" a name for the older generations when they judge a more recent generation for what they do/use.

The Phrase "Ok boomer" Usually used to dismiss the older generation when they start to judge you.
"What a boomer, saying that they used carrier pigeons to pass messages than just tapping an app" said Jared.

"Back in when I was a kid we played outside until 6 0.m" Said an Old Woman

"Ok, boomer" replied Mary
by RazingG November 29, 2019
A person over the age of 30 that likes 80s Rock and Monster Energy Zero Ultra, that wants things to go back to the way they were.
*cracks open monster* Now Banjo-Kazooie, that was a good video game. - Typical Boomer
by EvasiveAce July 31, 2018
In Texas Hold'em, a player in first position who overplays his/her hand going all-in.

Everyone folds and the boomer takes the blinds only.
You went all-in with a premium hand and only won the blinds?

Nice play there Boomer!
by aloha27 October 31, 2009
US Navy slang for a ballistic-missile submarine.

http://en.wikipedia.org/wiki/Ballistic_missile_submarine
The US Navy boomers are the Ohio-class.
by Axeman73 April 10, 2009