by Timbucktoodleloo October 14, 2008
The most loyal group of Pewdiepie supporters in existence. If T-series passes, these will be the last survivors to fend for their king.
Bob: Hey, you part of the nine year old army
Joe: What's that?
Bob: Pewdiepie's most loyal subscribers.
Joe: Sign me up!
Grade 4 teacher: Shut up and listen.
Joe: What's that?
Bob: Pewdiepie's most loyal subscribers.
Joe: Sign me up!
Grade 4 teacher: Shut up and listen.
by lmao111111111112 April 08, 2019
something to call someone who's is worldly but still immature. Originated with the Doctor Who fandom, calling the Doctor one. He knows a vast amount of information on the universe, but still is young at heart, and has a tendency to be immature.
DW fan 1: Did you see that part where he made the angel say "comfy chairs"?
DW fan 2: Oh yeah, what a cosmic nine year old
Yeah, I mean he's nice and smart and whatever, but he's still not grown up, he's just a cosmic nine year old
DW fan 2: Oh yeah, what a cosmic nine year old
Yeah, I mean he's nice and smart and whatever, but he's still not grown up, he's just a cosmic nine year old
by lastofthehappyfolk June 21, 2011
A little piece a garbage that constantly screams into his mic and usually plays minecraft or call of duty black opps 3, also someone that older gamers troll to make viewers laugh.
by DerpyCheezit September 20, 2017
by pyoodeepai December 20, 2018