Rattlehead 

A person who enjoys headbanging, preferably to Heavy Metal music.
The word Rivvethead is often used in the same context.

Person 1: Dude, check out that crazy MF at the front row!

Person 2: Damn, that guy's a serious rattlehead!

Rattlehead by Dr. Strangesex May 3, 2009

battle rattle 

the maximum amount of army gear that a soldier can be expected to carry, including but not limited to: helmet, goggles, flak vest, tac vest, pistol belt, canteen, protective (gas) mask, mopp gear, ruck sack, poncho, cold weather gear, go to war pack, etc

Wake up! Formation in ten! Uniform is full battle rattle!

battle rattle by 080080 April 28, 2010

ratthew 

da rodent that resembles a large mouse, typically having a pointed snout and a long, sparsely haired tail. Some kinds have become cosmopolitan and are sometimes responsible for transmitting diseases.

Rat is short for Ratthew

ratthew by yesitsapartycomeandparty February 7, 2018

rattification 

When something is approved, such as a requested cell move, after a prison rat informs on one of his previous homies in order to get what he wants.

Yessiree, after the rattification process is complete, you’ll have your long awaited exclusive weenie row cell.

rattification by Dr Bunnygirl September 3, 2019

Oildale Baby Rattle 

A glass methamphetamine pipe containing one or more shard-like pieces of unmelted methamphetamine.

I loaded a fat chunk shard of bomb dope in my pipe and shook it around like and Oildale baby rattle.

Oildale Baby Rattle by Llenar13 July 2, 2009

Ratticopter 

When your rat is attached to your dick and you try to remove it by frantically spinning your dick until it flies off.

Don't you hate it when you wake up and your rat is attached to your dick, try ratticopter.

Ratticopter by Notamine October 31, 2017

Urban Rattlesnake

A hyperemic needle or syringe, with a high likelihood of having recently been used by an addict for taking heroin or some other type of illicit drug, laying outside on the sidewalk or roadway where someone may step on it.

Watch out for that urban rattlesnake! You really don't want to step on that.

Urban Rattlesnake by Belltown_ESSID May 7, 2011