when a man is having sex with one woman, performing cunnilingus on another, and fingering two other women with each hand.
by the human thesaurus May 10, 2011

What did Bill give you for your birthday?
He took me to dinner and then we went home and he showed me his diamond cutter.
He took me to dinner and then we went home and he showed me his diamond cutter.
by Docsabre May 15, 2007

Snowboarding. Peep game: diamonds are ice, so ice is diamonds. Thus, when you're out carving up the slopes, you're diamond cutting.
I'm a biracial snowboarder, so when I'm up at Mammoth doing my thing like Shaun Half-White, I'm diamond cutting. Act like you know.
by sawgee rawkwell, III April 13, 2009

The hand signal Jay-Z used to promote his Roc-A-Fella Records and clothing dynasty. Originated from wrestler Diamond Dallas.
by Landen March 2, 2008

A rating system named in honor of the one used by clients of the Emperor's Club prostitution ring. Clients rate the quality of the call girls by giving them anywhere from 1 to 6 diamonds. First came to public attention due to the Eliot Spitzer sex scandal, and has quickly replaced rating things with stars.
by die7fox March 11, 2008

An unsually firm erection, comparable to the hardness of diamonds, sometimes caused by Recreational use of Viagra.
by The swagenator April 16, 2008

You were listening to Rihanna's song Cockiness (Love It) and you didn't know what a Diamond Matrix was, so you Urban dictonaried it!
It means a vagina.
It means a vagina.
by RiRi's Diamond Matrix March 19, 2012
