by CorbinBreadstick June 15, 2021

A person who displays exceptional superior intelligence, with a wit so sharp, it could kill someone, like a knife.
Have you ever been around Dorsey when he's wrenching on your bike? That dude is a lethal genius! He's a master mechanic, and will crack your shit up!
by gravel grinder October 17, 2015

An individual that has been empowered by the instructional nature of YouTube DIY videos. Person now maintains the confidence of a master tradesman of the demonstrated skill set, but has not yet developed any actual skills.
Person 1: John told me he can do drywall, hardwood floors and is a certified brick layer.
Person 2: He works at a call center, he's nothing but a YouTube genius.
Person 2: He works at a call center, he's nothing but a YouTube genius.
by Yuengling King December 24, 2013

fucking know it all
by veed88 September 6, 2018

Genius nonsense: A smart move from somebody who doesn’t know what they’re doing and luck has nothing to do with it. It just happens to be the right.
by Maliit tt lalake yan October 28, 2021

by RiseoftheMalik April 27, 2017

A person who is clearly smart, speaking their mind, often giving great advice.
Not be confused with person who's simple
Not be confused with person who's simple
by weston19992 December 25, 2011
