Black diamond

A scam or fake product. To be ripped off or cheaped, commonly by an appraiser, but also by merchants or traders, is to "buy a black diamond."

He bought the black diamond, that collection of super-rare Magic Cards was all counterfeit.

by Zed Numar July 18, 2021

Diamond Week

A college week in which a student goes out every night (Sunday - Thursday), Attends all lectures, tutorials, labs and other academic events, and goes to the gym everyday (Monday - Friday).

I've never done anything harder than a diamond week.

by college-legend December 27, 2013

old diamond

An ex girl friend you still love, and still have somewhat of a relationship

"Even though Ashley, broke up with me, I still kick it with my old diamond."

by Datpifff90 August 31, 2012

Diamond braces

When you get braces even when they're not needed instead of getting grillz; Braces that act like grillz for your teeth

Just got some diamond braces on my teeth!
Yo, I'm boutta get some of those.

by MathO24 February 18, 2019

Diamond weather

When it’s so cold that your nipples are hard enough to cut diamonds

*wind blows*
“Brr, it’s diamond weather out here!”

by Sid.knee December 20, 2021

Pink Diamond

Verb; the act of abandoning someone

Bob: I can’t believe that Becky pulled a pink diamond
Jerry: I’m sorry she abandoned you, what a bitch

by aspy dragon July 21, 2021

Black Diamond

A drug made with a mix of five hour energy, weed, and meth. All to be mixed together and inhaled using cigarette paper or A bong

Dude #1: let’s smoke that black diamond!!!
Dude #2: For sure, bro.

by HagGahher June 18, 2018