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rat bastard 

A bastard who is characterized by devious and base intentions.
That rat bastard who ripped me off on the car deal also hits on my sister.
rat bastard by Will March 17, 2003

rat bastard 

A despicable person.
Someone easy to hate, usually for a good reason.
It is normally related to either extreme personality flaws or actions commited counter to human decency.
"What kind of rat bastard psychotic would play that song right now, at this moment?"
- Raoul Duke (HST)
rat bastard by Vladicus March 14, 2005

rat bastard 

someone who is a little shit and acts like they own the world
OMG look at Maia, that rat bastard.
rat bastard by bad.ashley22 November 18, 2019

rat-bastard 

An extreme bastard; a real asshole. Frequently used by middle-aged trailer trash women to describe the ex-boyfriend who beat her.
I told that RAT-BASTARD if he ever hit me again I would call the law.
rat-bastard by Willis August 7, 2003

yellow rat bastard 

Very, very interesting store in SoHo, NYC. It's a humongous store with a wide selection of clothing and sneakers. Rumor has it that there are decaying rats on the floor, but I've never seen any.
Yellow Rat Bastard is a cool, weird store.

Yellow Rat Bastard 

An insult coined by Louis "Red" Deutsch in the tube bar prank calls in the 1970's.
"You yellow rat bastard, you sunnavabitch, I'm gonna put a bullet in ya."
Yellow Rat Bastard by uh1989 June 4, 2009
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

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
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