it is a slang used when some old person or someone from Gen X, or maybe even a Karen tell millennials what to do and what not to and Gen Z reply with "Okay boomer"
OLD GRANDPA: Stop looking at that damn phone. This is why you get sick all the time.
Gen Zs: Ok Boomer
Gen Zs: Ok Boomer
by Basic Bakughoe November 13, 2019

Just stop. This word lasted for like a month so I have to say, IF I HEAR ANOTHER FUCKING PERSON SAY OKAY BOOMER THEY WILL REGRET IT
by darty.person April 28, 2021

Boomer or “baby boomer” Is often described as someone who was born in 146-1964. Now it is used as an insult to someone who is a normie and knows nothing meme wise
by Reddituser54 December 4, 2019

a boomer is someone older than 29 yrs nobody can say ok boomer to someone younger than 30 yrs cause then that’s just messed up
by adumbfuxingperson December 9, 2019

by Qualityburger December 13, 2019

When an old motherfucker offends the fuck outta me at my minimum wage paying job for forgetting their ketchup when they didn't even ask for any in the first place. I'M SORRY I CAN'T READ YOUR MIND JIM
by get_offmydict123 February 9, 2022

by kakay98365 December 7, 2019
