Ok Boomer means that your opinion is stupid and your life is stupid and you should rethink your existence because no one loved, loves, or will ever love you. Your life is meaningless and everyone wants you gone. The world would be better without you leeching off of everyone else.

The combination of words you use when u gotta ruin some old ass sucker fucker lol

it is December 10th. On this national holiday, you respond to anyone who is a boomer (or remotely looks like a boomer) with "Ok boomer." This include school teachers/administration, people working, or any other boomer.

A phrase used to invalidate an older person's opinion

A way of humouring old people without humouring them, much like "Ok Granddad", but with the added context of "Your opinion is vile, but I appreciate it can't be changed. Soon you will die, and there will be one less person in the world with that view point. And the world will be better for it."

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

Ok Boomer is a term used to define people who were born in between the years 1944-1964, which is the year of the baby boom, hence the term “boomer”. Ok Boomer is when one of them says something like “Back in my day...” or “We used to...” and a person just says it for fun or if they’re mad. Most commonly used in school in front of old teachers.