Second-hand Cool 

Adjective: To be in with the "cool kids" through a much cooler significant other/friend

The only reason she's at this party is because she's second-hand cool

Second-hand Cool by Green Eggs September 26, 2015

slinkster-cool 

the ultimate in cool. there's nothing cooler than this. its an adjective to cool, which is an adjective!?

thats a slinkster-cool convertable!

slinkster-cool by Lora July 13, 2003

GameStop Cool 

Cool, as defined by those who frequent GameStop. (aka, not cool)

The thirty-three year old man with the faux-hawk and Im Eight (inches) shirt is GameStop cool.

GameStop Cool by XxCherishxX December 30, 2009

not cool man 

when someone does something that is not acceptable, "Not cool man!" is usually an appropriate phrase to inform them that what they did was not nice, cool, funny, or tolerated by society, or just you.

Uncool guy: My butt is so awesome....
Cool guy: Not cool man!

not cool man by Shiraz rocks mannnn February 3, 2018

Bitch be cool

A phrase derived from Samuel L. Jackson's character Jules in Pulp Fiction, generally used when a bad motherfucker is going through a transitional period and just wants to calm a bitch down.

Jules: Tell that bitch to be cool! Say 'bitch be cool'!

Pumpkin: Be cool honey!

Jules: Say bitch be cool! Tell that fuckin' bitch to chill!

Pumpkin: Be cool Honey Bunny!

Jules: Chill that fuckin' bitch out!

Pumpkin: Shut up, Honey!

Bitch be cool by AstroCK8 January 19, 2019

LL Cool Berries 

the clumps of white stick deodorant that cling to underarms.
(i.e) from the MTV "LL Cool J" unplugged

My girlfriend went to give me a hug, then slapped me when I started giggling at her LL Cool Berries.

LL Cool Berries by christerpher August 7, 2007

That's Cool

Phrase used by assholes who couldn't care less about what you're saying.

Chick: I'm so upset, hurt and I can't stop crying. I can't believe you don't want to be friends with me anymore.

Asshole: That's cool!

That's Cool by cynicalprozak89 January 24, 2015