your cool 

a phrase used with great sarcasm, to show that something is in fact, not cool at all. Can also be, shes cool, hes cool, theyre cool. Note the spelling and lack of apostrophe, this is very important.
Coined by the legenary O.J Goddard, exact date unknown.

"Wow, Your Cool..."
"She likes Good Charlotte AND Rammstein? Wow, shes cool..."

your cool by O.M January 17, 2004

ll cool j 

is da best rapper

his da man

ll cool j by kazam February 7, 2004

not cool 

Failing to be cool. Trying to be cool and being just pathetic.

-John: Hey, girls! Look at my new trainers! I think they're great!
-Kate (to her friends): This guy is just not cool.

not cool by sicko2 July 25, 2008

stoopid cool 

cooler than cool, what cool achieves to be

Yo that song was stoopid cool homey

stoopid cool by Infernovideo July 25, 2006

too cool for my boots

feeling superior to bootwear

Mom: hey hunny go get your winter boots on its snowing
son: "moooom no but i'm too cool for my boots"

too cool for my boots by ilyatinycdai December 17, 2019

A Very Cool Dude 

The highest compliment someone who associated with your parents can give about you.

Johnny told Biff his nephew was a VERY cool dude.

A Very Cool Dude by The Gosh Dang Bruin February 10, 2020

Do it and you're cool 

A phrase usually mentioned to get someone to do something that may not be cool but, sometimes is.

Bro 1: Dude, odds you do three pirate shots?
Me: Uh, Naw.
Bro 2: C'mon, Do it and you're cool!
Me: Well can't argue with that. *Chugs away*

Do it and you're cool by Investigate311#BirdUp April 18, 2019