What is a boomer?

An adult born between 1946 and 1964

A boomer is an adult born roughly between the years 1946 and 1964. It comes from "baby boomer," which was coined to refer to the booming increase of babies in the U.S. after World War II.

Boomer became a popular way to refer to old people in 2019 when the "OK Boomer" meme went viral on social media. It became a catchphrase for young people to say "yeah, whatever" to older adults' antiquated ideas.

In general, boomer is seen as a negative descriptor since it means the person is old and most likely holds outdated beliefs. As a response to the emergence of OK boomer, older people coined the "OK Millennial" phrase as a clapback for older adults to use.


"Wow, look at that boomer complaining about her food order."
"What a Karen!"

When you are done listening to a boomer

Related Slang


Last Updated: February 4, 2021

Boomer definition

This page explains what the slang term "Boomer" means. The definition, example, and related terms listed above have been written and compiled by the Slangit team.

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