Know it all 

Person typically has one button and it’s their way or nothing else. Don’t disagree with a know it all because if you do your entire day will change. They will quickly flip the script and could even lead to hate crimes, or even worse the “ K bye”

A know it all would say “I’m right when I’m right and I’m right when I’m wrong”

Know it all by Reneman May 31, 2018

Know-it-not-at-all 

Someone thinks they know something but are totally wrong. They will argue with you even when proven wrong.

The know-it-not-at-all girl argued that vaccines cause autism.

Know-it-not-at-all by Cheri Conners RN February 23, 2019

Know it all 

Someone who goes around thinking things are big and clever, and believe they know it all about everything, but don’t because their still things he / she don’t know about just yet.

OMG what a know it all, who told him all this, we are not letter anyone else in

Know it all by Urbantheturban July 8, 2019

Know it all 

Someone who thinks they have the one and only answer to everything.

A lot of people confused the guy with a know it all. He didnt think he had all the answers to everything, but he was sure of which ones were bullshit.

Know it all by Solid Mantis June 9, 2020

Know it all 

A know it all is someone who thinks they know everything, and refuses to take anyone else's opinion into consideration because, naturally, they know it all. Also known as a Brian.

I have green eyes but my boyfriend Brian insists that I have hazel eyes. Clearly he is a know it all.

Know it all by Arniverna September 9, 2022

Know It None 

a person who disguises themselves as being knowledgeable but is really an idiot

Tiffany talks a lot about my custody case but she’s a know it none.

Know It None by MaryTurderQueenofFarts June 30, 2023

Know-it-all

A name given to a person that expresses basic common knowledge about a subject, by a person that doesn't know shit about fuck on said subject.

Me: Hey Edgar, maybe you should just check to see if the outlet is blown before you start taking apart the DJ's mixing board.
Edgar: Oh dang man, that actually worked! Quit being such a know-it-all, you're making me look bad.

Know-it-all by Methkateer December 22, 2023