look up any word, like fleek:
 
3.
A herd or group of socially retarded people.
Similar to cattle, rattles tend to travel as a herd or group. Can be readily seen on the freeways of the United States blocking the fast lane or signaling 5 blocks before turning.
by Curlis September 15, 2007
 
1.
1. to engage in the act of sexual intercourse.
2. one who is or has been engaged in the act of sexual intercourse
"he was a good rattle."
by Popper March 20, 2005
 
2.
the physical withdrawal from heroin or other opioid substance. ( U.K. )
I am tired of using heroin, so i decided to rattle.

... or ...

I've been rattling for the last week, but i'm starting to feel better now, as i'm posting stuff on the net.
by ex-junky-munky-uk May 25, 2011
 
4.
To Fuck a girl. Ex. rattling my bitch
by Lenny from the Lot April 01, 2003
 
5.
rattle is the term used to describe the extra high-end, treble rattleing type noise produced by a bass-booming car stero system.
Damn nigga! your Cutlass thumps alright, but it ain't got no rattle!
by TalcumX January 09, 2006