ADHD, Attention Deficit/Hyperactivity Disorder
Got diagnosed with cool guy sydrome...now I take adderall
by turtlekid7 December 17, 2017
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A person that you're not really friends with but you're cool enough to go up to them and shake their hand and say "Sup, bro".
Roxy: Ya I'm not actually friends with Keith were just Cool Guy Acquaintances.
by sports23player January 01, 2011
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A meme on the internet. The rule goes something like this:

i think <movie, game, book, group of people> is a pretty cool guy. eh <what the aforementioned subject does> and doesn't afraid of anything.
i think halo is a pretty cool guy. eh kills aleins and doesn't afraid of anything.

i think lesbians is a pretty cool guy. eh kisses girls and doesn't afraid of anything.

i think there will be blood is a pretty cool guy. eh drinks your milkshake and doesn't afraid of anything.

i think crime and punishment is a pretty cool guy. eh kills old ladies and doesn't afraid of anything.

i think monk is a pretty cool guy. eh is a afraid of everything and doesn't afraid of anything.
by AnonPGT April 26, 2008
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A sadly, no longer existent third wave ska band. They were super-de-duper amazing~!

Some of the members are now in Streetlight Manifesto with former members of Catch 22's glory days. Streetlight Manifesto is also super-de-duper amazing~!

I only get to hear a few OCG songs because their CD's are out of print and out of stock =(
Listen to the song "Skank Away"

It's incredible.
by Bleed American November 13, 2004
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abrv: CGA

variation on 'cool story bro'. used to demean somebody bragging/showing off about something irrelevant and/or uninteresting.
keith: so i just came up with this ballin' ass marketing strategy for my website, shitheads won't know what hit them when they click on this new hyperlink i just created by myself on my new imac; it'll automatically direct them to the company's twitter, myspace and tumblr and put their email/phone number/house address in permanent log that only our company can access.

dwayne: wow, cool guy alert.
by Dennis Ringle July 08, 2011
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Also Known As CGS. Cool guy stuff is a term used to talk about smoking marijuana. Usually used around relatives, girlfriends, or people you don't want to let know you smoke.
Gerrard want to do some cool guy stuff when we get out of class. Yeah dude definitly I'll go buy some, and we will go on a ride then to McDonalds.
by Short Gordon November 07, 2007
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