when a boomer says something stupid and completely wrong you say this as a way to say "you are completely wrong but i don't want to waste breath on explaining something obvious that you won't even listen to"
by Danny Fruitcake November 7, 2019
Get the Ok boomermug. 
Ok boomer is something you say to (specifically a boomer but could be anyone) a person says or does something very outdated.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
Get the Ok boomermug. 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
Get the ok boomermug. by yaboobies December 16, 2019
Get the ok boomermug. 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
Get the OK BOOMERmug. 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
Get the Ok, Boomermug.