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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!

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"

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
More from Urban Dictionary

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026

Respectfully 

Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.

After school, The Modells on Jamaica Ave was active. Respectfully.
Respectfully by john quan the first December 20, 2020
Word of the Day on September 26, 2026

You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
Word of the Day on September 25, 2026
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