the cool uncle

noun; a uncle who happens to be better then most people. possibly gets you a tattoo, dirt bikes, fishing, camping, and feeds you.

person one: hey whose max hanging out with?

Person two: oh that, the cool uncle phil. hes shredding some gnar with him.

by cardiacarrest November 15, 2013

Cool Uncle

Mark Rober. A uncle who worked at NASA and now makes genius videos on youtube

Frank: Hey, that’s a cool uncle!
Jerry: Yea, he’s Mark Rober!
Frank: Cooooooooooooooool!

by Dinglederper May 28, 2020

Cool uncle

Any guy named Xavier who takes his niece and nephew to go see Detective Pikachu on the day it comes out.

That guy, Xavier, is the epitome of a cool uncle.

by Coolguy X May 9, 2019

Really Cool Uncle

Mark Rober An Uncle With A Degree In Mechanical Engineer That Worked At NASA And Now Makes Genius Videos On YouTube.

Thomas: Hey That’s A Really Cool Uncle
Coby: Yeah He’s Mark Rober
Thomas: Cooool

by Cleaver77 October 11, 2020

Really Cool Uncle

Mark Rober An Uncle With A Degree In Mechanical Engineer That Worked At NASA And Now Makes Genius Videos On YouTube.

Thomas: Hey That’s Really Cool Uncle
Coby: Yeah He’s Mark Rober
Thomas: Cooool

by Cleaver77 October 11, 2020