Ok boomer is something you say to (specifically a boomer but could be anyone) a person says or does something very outdated. (Like taking a selfie with a camera) ok boomer is specifically a Instagram, Snapchat or tik tok thing, but is often said irl
by LovelyLila December 1, 2019

Boomer: Back in my day, we ate pie made of mud and laundry detergents, drank bleach, and broke into power plants, but people nowadays are saying that is not socially acceptable!
non boomer: OK BOOMER.
non boomer: OK BOOMER.
by CreeperDude3000 November 13, 2019

A phrase often used by teens meaning that the person is old and don't like teens very much and will be dead very soon :)
by P0ision November 24, 2019

by ThiccDankBoi69 November 11, 2019

by yaboobies December 16, 2019

Miss crackhead:"today we will be looking at how microcondra is the power house of the cell"
Me:"OK BOOMER OK BOMMER OK BOOMER OK BOOMER OK BOOMER
Me:"OK BOOMER OK BOMMER OK BOOMER OK BOOMER OK BOOMER
by HoEs._.MaD January 15, 2020

When somebody says "Ok, Boomer" it's like someone saying, for example, "That's old news" or "that was a long time ago and you're just learning about this now."
Guy 1: I just learned what selfies are!
Guy 2: What are they?
Guy 1: They're like photos you take of yourself!
Guy 2: Ok, Boomer.
Guy 2: What are they?
Guy 1: They're like photos you take of yourself!
Guy 2: Ok, Boomer.
by Mr. Stevens's class January 13, 2020
