Riff-Raff 

Un-savory people in our society. People you do not want to be associated with.

Ex. If this was America it would be a gated community in order to keep all the riff-raff out.

Ex. Look at all the riff-raff over there.

Riff-Raff by Jay_in_Ottawa September 4, 2008

riff-raff 

Unworthy plebeians who lack the elegance and civility to mingle in high society.

Refined gentlemen sit above the juvenile tomfoolery of the riff-raff.

riff-raff by dtk™ March 10, 2009

riff-raff 

White rapper who is "hotter than a old thelma and louise sweater"

Riff-Raff "Diamonds cause head on collisions, ruined the transmission on your brand new prescription"

riff-raff by Tluvifyourenasty July 10, 2011

riff-raff 

"Faithful Handyman"

Enjoys walks around the castle, harassing creations with fire, The Time Warp, and incest

Janet: You killed them!
Magenta: But I thought you liked them. They liked you.
Riff Raff: THEY DIDN'T LIKE ME! THEY NEVER LIKED ME!

riff-raff by Mistress Columbia July 21, 2003

riff-raff 

generally people of a lower class, in most cases people that don't carry an Amex Centurion Card.

Dude, he is trying to pay his half bottle of Cristal with his lowly Platinum Card, how pathetic!

riff-raff by scaramanga March 29, 2005

Riff-raff 

The term used to describe people who try to gatecrash and just generally rain on your parade also known to be filthy and annoying.

Person 1: Where do you live?
Person 2: I can't tell you
Person 1: Why not?
Person 2: I don't want random riff-raff beating on my doors
Person 1: *offended*

Riff-raff by {[Punk]} November 28, 2006

riff-raff 

Its a danm song by AC-DC!

riff-raff by Darrian August 6, 2003