A-Roc 

An underground rapper from the Seattle, WA area most notably known for his role in the influential rap group DPM.

Did you hear the new A-Roc song? It was sick.

A-Roc by arownsu July 7, 2008

Throwing a Roc 

To show the "Roc Sign", the diamond-shaped hand signal made popular by Jay-Z and others associated with Roc-A-Fella Records and/or Rocawear.

I saw them throwing a Roc before they opened fire!

"Niggas throwin' Roc signs outside of ya Coupe" - Jay-Z, Dig a Hole

Throwing a Roc by Justin M. Wilson March 4, 2008

Roc-a-Fella 

A record label founded by Jay-Z, Damon Dash, and Kareem Burks. Rappers such as Jay-Z, Memphis Bleek, Beanie Sigel, Amil, Cam'Ron, and Kanye West have been signed to the label.

Jay-Z is the founder of Roc-a-Fella Records.

Roc-a-Fella by Big C-Dub May 13, 2007

Piffy On A Rock Bun

A colloquial term in and around the Manchester area of England, meaning to be kept hanging around or waiting unneccessarily.

I was in a shop and the assistant was away from the counter and I was stood waiting like piffy on a rock bun

Piffy On A Rock Bun by HowfenJames March 13, 2012

If this van's a-rockin', don't come a-knockin'! 

A popular phrase and bumper sticker from 1970s. It means that people are having sex in the van if it's rocking and they don't want you to come in.

Bumper Sticker: If this van's a-rockin', don't come a-knockin'!
Van: *rocks back and forth*
Steve: I guess I shouldn't be knockin'.

If this van's a-rockin', don't come a-knockin'! by Dumb_Bass September 26, 2020

I'm just a nigga with a rocket launcher 

A meme started years ago. 2015-2016

Tim: Im gay
Kevin: I'm bi
Jerry: I'm les
Tyrone: I'm just a nigga with a rocket launcher

I'm just a nigga with a rocket launcher by BDSpeedGang February 28, 2017

Living under a rock 

Someone who has not experienced even the basic pleasures of life.

Shannon has never tried a hamburger; she's been living under a rock this whole time!

Living under a rock by bradster April 13, 2014