1. a puerile polemicist; self-proclaimed internet celebrity and renowned bullshit artist; possibly the real life inspiration for the Scumbag Steve meme; one who is fond of leading circlejerks; hypocrite

2. any successful, middle-aged person who, upon experiencing midlife crisis, reverts to wearing fitted caps and basketball jerseys whilst getting stoned and playing video games with his friends

"Do you and Dan still collaborate on anything?"
"No, not since he went and keemstarred during our last project."

"I don't blame her for divorcing him, he wouldn't stop keemstarring in front of the kids!"

keemstar by wordswithworks September 24, 2013

keemstar

The psychopathic hypocrite that thinks he's doing the world a favor by reporting "NEWS" about the website you tube. He has threatened to DOX people and even made death threats that are total bullshit.

Jim: Do you know that guy keemstar?
David: oh yeah the guy that told everyone to type in chat that Alex is a stupid nigger?
Jim: That's the guy!

keemstar by KeemstarTheMemestar June 15, 2016

Keemstar

Daniel Keem is mostly known as DJ Killer Keemstar or Killer Keemstar, who is the infamous host of DramaAlert, a YouTube channel based off of the YouTube drama that happens on the daily. Daniel is a 34+ year old man who attacks and goes after minors on Twitter, makes false pedofile allegations towards others, and got his fame on the internet for his immature trash talking and trolling on Xbox live.. All of his fans are immature losers who can't get anything good in life and majority of his fan base are under the age of 16 who haven't even hit puberty yet. Daniel Keem is also known as the gnome of YouTube for the fact that his appearance is gnome like and each time he makes a YouTube video his beard gets pointier and pointier. Also, Keem will swat, doxx, and slander you if you anger him. He has gone after many YouTubers especially, LeafyIsHere, another YouTuber making Tweets about his 'wart dick' calling him WartDickIsHere and at the time threatening to sue a 15 year old YouTuber, Shorbie, for making a video on infamous rat/gnome Killer Keemstar.

Example 1:
Logical Person: Keemstar is such a prick he said so many racist things. He was banned from YouTube shouldn't even be allowed on it.
Keem Supporter: b-but the stuff he said was like 8 years ago, so fuck off. TAKE THIS L!
Logical Person: Just because it was a while ago doesn't make it right… You're so immature
Keem Supporter: Nah you're just a WartDickIsHere dick rider!

Example 2:
Keem: *does something super shitty*
Keem: Why am I still getting hate?

Example 3:
Keem: I'm on Blog.TV with my fucking hands up!

Example 4:

Keem: Everyone in the chat, type in Alex is a stupid -----

Keemstar by QuackLegs August 20, 2016

keemstar

A man who calls people n*gger and is a bald gnome

A keemstar quote "this stupid fuck bitch all righteous fucking N*GGER alex is doing this shit"

keemstar by dj kill meme star October 24, 2016

Keemstar

The cancer of YouTube and/or Twitter. The shit stain that's impossible to lick up.

Kid: Look mom. Look what I found. He goes by the name of Keemstar.
Mom: I should've aborted you.

Keemstar by Fuckasinschool June 16, 2016