Radder 

To be more Radical

I'm way radder than you're sorry ass, chump.

Radder by Treg July 31, 2003

Radder 

in addition to meaning more rad, this can also mean the opposite. Radder can describe a short, on the brink of being a midget girl who is very loud and obnoxious, mainly in public places. attracts attention to where attention is not wanted. Usually a Radder has heavy make up and dresses towards to 80's revival.

-Damn that Radder is obnoxious.
-Let's get up and move over to that table, so no one will look over and see us near her.

Radder by Ross Welborn January 17, 2005

Radder Than the Raddest Radish 

Used to describe a person, place, thing, situation, feeling, action, or thought that is overwhelmingly cool and/or hella awesome.

John: Yo, that's a cool flute.

Flutist: I know, it's radder than the raddest radish!

Radder Than the Raddest Radish by Sir Raddxcore Radish July 7, 2008

Def-Radder 

a person that is Definitely Rad; an association of Gnarly People; believers of the Rad Harmony Faith; People that are allergic to Lame; Epic Lame-Slayers from Slutty Utah; anyone Awesome;

"Priest Rev. Jonson, Kung-Boo, and the Slutty Martinez Brothers are Def-Radder Lame-Slayers, and the Fathers of Rad Harmony!"

"Def-Radder's do not, or ever will listen to any Usta-Groover"

"That Def-Radder is the Gnarliest Mother Effer I ever Met!"

Def-Radder by Don_Mayhem January 27, 2010

Air raider 

Someone who talks a lot of shit / lies all the time.

Tony kifla: boys I bought a c63 it's just getting a roadworthy

*weeks pass*

No c63 ever arrived

Me: your such an air raider kifla

Air raider by Mat3727273 July 16, 2019

Raider Blastmaster 

When you pop a thumb up a girls asshole while sticking two or more other fingers in her vagina.

Mikey: "Yeah bro, I was with this boning chick last night and I totally gave her a good old raider blastmaster. It was pretty sick."
Jim: "Dude noice"

Raider Blastmaster by Rural dicktionary May 28, 2015

Fudd Rudder 

A nickname of the current Prime Minister (as of 2008) of Australia, Kevin Rudd.

Man 1: Did you hear what the Australian Prime Minister is up to now?

Man 2: No. What is Fudd Rudder up to now?

Fudd Rudder by Vyolet March 4, 2009