When a baby boomer says some dumb shit and you can't even begin to explain why he's wrong because that would be deconstructing decades of misinformation and ignorance so you just brush it off and say okay.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

R-Rick, the word Ok boomer is a simple way to tell old people to fuck off. Uhhhh after research, I located the source of the phrase “ok boomer” to be from C136 from user Bones3.0 on a platform instagram and twitter users youruserhere and...
STFU *burp* Morty, let’s go on a classic Rick and Morty adventure

Ok boomer is an easy way to diss Old shit heads. Bones3.0 being is creator of this amazing phrase has paved a way to help millions of people diss boomers when back then it wasn’t even possible.

Generic reply to baby boomer style thinking.

The equivalent of "Wow, you're so horribly wrong, but I don't have the time or energy to repeatedly explain something to you that you're not going to listen to anyway."

Millennials tried for so long to explain using facts and evidence that they don't actually have it that easy and they aren't just lazy, but it became very clear that boomers don't care about facts, evidence, or reality for that matter. So this is what has resulted.

This internet slang that started originated from Instagram memer “bones3.0” is now The n word of the 21 century. This phrase is used to shut any boomers ass up. Especially when they say “back in my times”

The new word that sheep have migrated to.

Regardless of age, these sheep will use Ok Boomer any chance they can.